Who has priority at a UK T-junction?

Under Highway Code rule 170, traffic on the major road has priority over traffic emerging from the minor road. The vehicle on the minor arm must give way - and where a stop sign is in place must stop at the solid white stop line - before proceeding. Rule 172 reinforces that you must stop behind the line at a stop sign in every circumstance, even when the major road appears clear. Rule 175 then sets out the duty at traffic-light controlled junctions. Where the minor-road vehicle emerges without giving way and a collision follows, insurers usually accept 100% fault on the emerging party in the absence of credible evidence the priority vehicle was speeding or driving erratically.

What is the legal difference between a give-way line and a stop line?

Both are road markings prescribed by the Traffic Signs Regulations and General Directions 2016 (SI 2016/362). A give-way line is a double broken white line across the minor arm and is paired with a triangular 'Give Way' sign or, where a sign is impractical, with the inverted-triangle road marking. The driver must give way but is not required to stop if the major road is clear. A stop line is a single continuous white line and is paired with the octagonal 'STOP' sign. The driver must stop at the line regardless of whether the major road appears clear. Failure to stop at a stop line is an offence under section 36 of the Road Traffic Act 1988 and is a recurring source of 100% liability findings at staggered junctions.

What is the H1/H2/H3 hierarchy of road users and when did it apply?

The hierarchy of road users was introduced by the Department for Transport in the revised Highway Code that took effect on 29 January 2022. Rule H1 places the greatest responsibility on those who can do the greatest harm - drivers of HGVs, large passenger vehicles and vans first, then cars and taxis, then motorcyclists, then cyclists, with pedestrians having the lowest responsibility. Rule H2 introduces a new priority: drivers turning into or out of a side road must give way to pedestrians waiting to cross or already crossing. Rule H3 requires drivers to give way to cyclists when turning, and not to cut across them. At a junction these three rules materially shift the contributory-negligence picture against the turning driver.

What is a SMIDSY collision at a junction?

SMIDSY - 'Sorry Mate, I Didn't See You' - is the well-recognised pattern in which a driver pulling out of a junction collides with a vulnerable road user (most commonly a motorcyclist, cyclist or pedestrian) and reports they did not see them. The Department for Transport's 'Think! Motorcycle' campaign and successive Road Safety Authority studies have identified the perceptual cause as a combination of A-pillar blind spots, saccadic masking and 'looked-but-failed-to-see' inattentional blindness. Legally the defence has limited traction: rule 170 places the duty on the emerging driver to give way effectively, and rule H1 places the greatest responsibility on the larger vehicle. SMIDSY does not extinguish liability - it explains it.

Who is liable for a right-angle T-bone collision at a junction?

A right-angle (T-bone) impact at a junction usually involves one vehicle failing to give way or driving through a red light, with the other vehicle striking it side-on or being struck. Where one party has clear priority (green light, major-road traffic) and the other has not (red light, minor-road give-way), insurers almost always settle at 100% on the failing party. Where both parties claim a green or both claim priority - a disputed-timing T-bone - apportionment splits arise, sometimes 50/50, more commonly 70/30 or 80/20 once dashcam, junction CCTV or signal-timing data is recovered. National Highways and local authority signal-controller logs can be requested by formal disclosure and frequently settle the question.

What is a left-hook collision with a cyclist?

A left-hook collision occurs when a driver turning left across a cyclist who is continuing straight ahead on the nearside catches the cyclist with the rear nearside of the vehicle. Highway Code rule H3 - added in January 2022 - expressly requires drivers not to cut across cyclists going ahead when turning into or out of a junction, side road or driveway. Rule 184 sets the general approach to junctions and rule 200 covers reversing. Where a driver is found to have left-hooked a cyclist, liability is normally accepted at 100% in the absence of a clear cyclist-side fault (no lights at night, cycling on the pavement, riding through a red light). A right-hook is the mirror equivalent on a right turn across an oncoming cyclist's path.

What evidence matters most after a junction collision?

Five evidence categories carry disproportionate weight on a junction file: (1) photographs of the junction marking - give-way line, stop line, signal head positions and sign visibility - taken from the driver's eye line on the approach; (2) dashcam footage of the approach, capturing the signal phase and the priority sequence; (3) junction CCTV from local authority or National Highways cameras, requested within the typical 14-30 day retention window before footage is overwritten; (4) any vegetation, parked-vehicle or street-furniture obstruction of the sightline, photographed from the driver's seated position; (5) signal-controller timing logs where the case turns on whether a light was green, amber or red.

What does Highway Code rule 175 say about traffic-light junctions?

Rule 175 sets the basic rules at signal-controlled junctions. You must stop behind the white stop line when the lights are red or amber. The amber phase means 'stop' unless you have already crossed the stop line or are so close to it that stopping might cause a collision. A filter arrow, when shown alongside a red main signal, gives priority to traffic moving in the direction of the arrow only, and you must still give way to pedestrians lawfully on the carriageway. Where a driver enters a junction on amber and the collision pivots on whether the amber became red before impact, signal-timing disclosure from the relevant local authority traffic-control centre normally resolves the question.

Are councils responsible for overgrown vegetation obstructing a junction sightline?

Where overgrown vegetation on private land projects onto the highway and obstructs the sightline at a junction, the council has a statutory power under section 154 of the Highways Act 1980 to require the landowner to lop, trim or cut back the vegetation. Where the council has been notified and has failed to act, contributory negligence can be apportioned to the local authority alongside the driver who emerged. Where the obstructing vegetation is on land vested in the council itself, primary liability for the obstruction lies with the council. The point matters at rural T-junctions where summer growth materially reduces approach visibility and where a claim against the highway authority sits alongside the road traffic claim.

How long do I have to bring a UK junction collision claim?

Three years from the date of the accident for any personal injury claim under section 11 of the Limitation Act 1980, and six years for vehicle damage and other property loss under section 2 of the same Act. For minor passengers, the three-year personal-injury clock starts on their eighteenth birthday. For low-value injury claims valued at general damages of under £5,000, the Civil Liability Act 2018 and the Whiplash Injury Regulations route the claim through the Official Injury Claim portal. The whiplash tariff was revised by the Whiplash Injury (Amendment) Regulations 2025 (SI 2025/615) for accidents on or after 31 May 2025.

Does it matter if I was hit at a mini-roundabout versus a junction?

Yes - the controlling Highway Code rules differ. A mini-roundabout is governed by rules 188-190 and the give-way-to-the-right principle, even where the painted central island is non-mountable. A T-junction is governed by rules 170-183 and turns on the major / minor road priority. A staggered junction - two T-junctions offset across a major road - combines both, and the priority of through-traffic on the major arm is paramount. Identifying the correct junction type at the outset is important because the apportionment templates the insurers apply are anchored to the specific Highway Code rule engaged, not a generic 'junction' category.

UK collision types

UK junction accident claims: T-junctions, crossroads, signals and the H1-H3 hierarchy

A practical UK guide to junction collision claims. Covers Highway Code rules 170-183 (junctions), rule H2 (pedestrian priority into a side road), rule H3 (cyclist priority through a junction), give-way and stop lines under TSRGD 2016, signal-timing disclosure, the SMIDSY pattern with motorcyclists and cyclists, sightline obstructions under Highways Act 1980 s.154 and the Official Injury Claim route under the Civil Liability Act 2018.

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Who is at fault in a UK junction accident?

In most UK junction collisions the driver emerging from the minor road, failing to stop at a stop line or driving through a red light carries primary fault under Highway Code rules 170, 172 and 175. Since 29 January 2022 the H1/H2/H3 hierarchy adds further weight against a driver turning across a pedestrian or cyclist. Liability turns on the controlling rule, dashcam and CCTV evidence and the sightline available to the emerging driver - most clear-priority files settle at 100%, disputed-timing right-angle T-bones split typically 70/30 or 80/20.

UK junction collisions account for one of the largest single categories of road casualty in the Department for Transport's annual Reported Road Casualties Great Britain release. They cover T-junctions, crossroads, staggered junctions, signal-controlled junctions and the family of pedestrian-controlled crossings (pelican, puffin, toucan, pegasus and equestrian) that are functionally junctions in their own right. Liability at a junction is rarely a question of dispute about who hit whom - it is almost always a question of which Highway Code rule was engaged and which party was bound by it. Naming the rule by number on the first letter of claim is the single most reliable accelerator of settlement. For the underlying step-by-step claim flow that applies whichever rule decides the apportionment, see our how to claim after a car accident guide, and for the wider procedural map of the OIC, pre-action protocol and small-claims routes see our UK accident claim process overview.

01JUNCTION

Highway Code rules 170-183: the framework that governs UK junctions

The Highway Code is the UK's statutory guidance on road use, issued by the Department for Transport. Rules 170 to 183 cover road junctions specifically. Rule 170 sets the foundational priority: traffic on the major road has priority over traffic emerging from a minor road, and the minor-road driver must give way. Rule 171 covers junctions with no road markings. Rule 172 deals with stop signs, requiring an absolute stop behind the line. Rule 173 covers junctions with acceleration / deceleration lanes (motorway-style slip joins). Rule 174 covers box junctions - entry prohibited unless the exit is clear, save for a vehicle turning right and held by oncoming traffic. Rule 175 governs traffic-light junctions including the amber phase and the filter-arrow phase. Rules 176 to 178 cover signal-controlled approaches and advanced stop lines for cyclists. Rules 179 to 183 cover specific manoeuvres at junctions - turning right, turning left, going ahead - and explicitly require a driver to give way to pedestrians who have started to cross the side road.

Failure to comply with the Highway Code is not itself a criminal offence in every case, but section 38(7) of the Road Traffic Act 1988 provides that a failure to observe a Code provision may be relied on by any party in any proceedings - whether criminal or civil - as tending to establish or to negative liability. In practice insurers treat the rule number as the controlling determinant of apportionment, and the courts have repeatedly relied on Code provisions in setting contributory-negligence percentages.

Give-way line versus stop line: what TSRGD 2016 actually says

The Traffic Signs Regulations and General Directions 2016 - SI 2016/362, in force from 22 April 2016 - prescribes the form and meaning of every standard UK traffic sign and road marking. Two markings appear at every non-signal-controlled junction. A give-way line is a double broken white line across the minor arm, paired with the triangular 'Give Way' sign and (where space permits) the inverted-triangle road marking. A stop line is a single continuous white line, paired with the octagonal 'STOP' sign. The legal distinction is absolute: at a give-way line the driver must give way but is not required to stop if the major road is clear; at a stop line the driver must come to a complete halt behind the line, whether or not the major road appears clear. Failing to stop at a stop line is an offence under section 36 of the Road Traffic Act 1988 by virtue of the regulations.

The distinction matters on liability. Where a minor-road vehicle rolls through a stop line and is in collision with a major-road vehicle, the apportionment is normally 100% against the failing party because the stop-sign duty is absolute and the major-road party has no equivalent obligation to anticipate the stop-line breach. Where the minor-road marking is a give-way line and the major-road driver was demonstrably travelling at excessive speed or driving erratically, a split apportionment becomes arguable. The first task on a junction file is to confirm from contemporaneous photography which marking actually existed on the day - councils occasionally rework junctions and the local TSRGD compliance is not always perfect.

02JUNCTION

Signal-controlled junctions, the amber phase and filter arrows

Rule 175 sets the rules for traffic-light junctions. The driver must stop behind the white stop line when the lights are red or amber. Amber means stop unless the vehicle has already crossed the line or is so close to it that stopping might cause a collision. Red plus a filter arrow gives priority only in the direction of the arrow, and the driver must give way to pedestrians lawfully on the carriageway. Where the signal phase is in issue, traffic-control centre signal-timing logs from the local highway authority - Transport for London for London, the relevant unitary or county council for the rest of England, Transport Scotland or Transport for Wales for the devolved nations - record the exact phase at the second of impact. These logs are normally retained for several months and are disclosable on a written request supported by the date, time and direction of travel.

The 'amber gambler' pattern - a driver who enters on amber and is struck by a cross-traffic vehicle entering on green - turns on whether the amber became red before impact. Junction CCTV typically retains for 14 to 30 days; signal-timing logs survive longer. Where neither is recoverable the case turns on independent witness evidence, which is notoriously unreliable on signal-phase questions. Insurers default to a 50/50 split in those circumstances unless one party can anchor their account to a more reliable record. A right-turning vehicle that strays into a green-light approach lane in the centre of a signal-controlled junction is a common contributory-negligence factor against the right-turning driver under rule 179.

Sightline obstructions: vegetation, parked vehicles and the A-pillar blind spot

A driver emerging from a junction is bound to take such reasonable care as the circumstances allow. Where the sightline along the major road is genuinely obstructed - by overgrown hedges, parked vehicles, signage, a parked HGV or a street-furniture cluster - the driver's duty is to creep out cautiously until a sufficient view is obtained, not to assume the major road is clear and accelerate. A failure to give way that follows an inadequate sightline check is normally still 100% on the emerging driver. The sightline becomes a separate contributory factor only where the obstruction itself is actionable.

Section 154 of the Highways Act 1980 gives the highway authority the power to require a landowner to cut back vegetation overhanging or obstructing the highway. Where the authority has been notified and has failed to require the cut-back, contributory liability may attach to the authority. Where the obstructing vegetation is on land vested in the authority itself, primary liability for the obstruction lies with the authority. Examples on file at CityGrip include a rural T-junction in mid-Devon where summer hedge growth on a parish-managed verge reduced the major-road sightline to under ten metres, and a North Yorkshire junction where Network Rail-owned embankment growth blocked the approach to a level-crossing-fed minor road.

The A-pillar blind spot is a separate, mechanical sightline issue. Most modern cars have wider A-pillars than their predecessors - driven by side-impact and rollover safety requirements - and the geometry can hide a motorcyclist or cyclist at certain approach angles. The Department for Transport's 'Think! Motorcycle' campaign has long urged drivers to lean forward and check twice at junctions for exactly this reason. The A-pillar effect is not a defence to the duty to give way; it is part of the explanation for the SMIDSY pattern that accounts for a disproportionate share of motorcyclist and cyclist casualties.

JUNCTION

Section 3 of the walkthrough.

The H1/H2/H3 hierarchy of road users (29 January 2022)

The Department for Transport's revised Highway Code took effect on 29 January 2022. Three new introductory rules - H1, H2 and H3 - reframed the priority position at junctions. Rule H1 introduces the 'hierarchy of road users': those who can do the greatest harm carry the greatest responsibility to reduce the danger they pose to others. The hierarchy starts with HGVs, large passenger vehicles and vans, then cars and taxis, then motorcyclists, then cyclists, with pedestrians at the top of the priority ladder. The hierarchy does not remove personal responsibility - a cyclist must still ride safely - but it materially shifts the contributory-negligence baseline against the larger vehicle in a junction collision with a vulnerable user.

Rule H2 creates a new priority for pedestrians. A driver, motorcyclist, cyclist or horse rider should give way to pedestrians crossing or waiting to cross a road into which or from which they are turning. This is a material change from the pre-2022 position. Under the old rules a pedestrian had priority only once already in the carriageway; under H2 a pedestrian waiting on the kerb to cross the side road acquires priority over the turning driver. The rule applies whether the pedestrian is in the carriageway or on the kerb. It applies at every side-road turn - residential, commercial, urban, rural.

Rule H3 requires drivers and motorcyclists not to cut across cyclists going ahead when turning into or out of a junction or changing direction or lane, and to stop and wait for a safe gap when needed. This is the rule that anchors the left-hook and right-hook claims described below. The hierarchy and its three rules are not themselves statutory offences but, under section 38(7) RTA 1988, they may be relied on in evidence in any civil or criminal proceedings - and they are now the controlling rules for apportionment at every junction where a pedestrian or cyclist is involved.

Common UK junction collision patterns

Right-angle T-bone. One vehicle strikes the side of another at 90 degrees, typically because one party failed to give way or drove through a red light. The impact pattern is recognisable from damage to the front of the striking vehicle and the side of the struck vehicle. Where priority is clear from the marking or signal phase, liability is 100% on the failing party; where timing is disputed and CCTV is recoverable, the dashcam or signal-timing log settles it.

Emerging-from-side-road collisions. A vehicle on the minor road emerges into the path of a major-road vehicle. The classic 'pulled out in front of me' pattern. Liability is normally 100% against the emerging driver under rule 170. A speed-related contributory finding against the major-road vehicle requires positive evidence (skid marks, dashcam speed, telematics) of speed materially above the limit.

Left-hook on a cyclist. A driver turning left across the path of a cyclist continuing straight ahead on the nearside. Rule H3 expressly prohibits cutting across a cyclist going ahead. Rule 184 deals with the general approach to turning into a side road. Liability normally rests with the driver. The position hardens where the cyclist had lights on, was clearly visible and was not riding on the pavement or against the flow.

Right-hook on a cyclist. The mirror equivalent. A driver turning right across an oncoming cyclist's path. The same H3 priority engages and the same liability default applies. Frequency rises sharply at signal-controlled junctions where filter arrows are in play, because cyclists at advance stop lines under rule 178 are positioned ahead of the motor traffic and the right-turning driver's sightline is compressed.

Pedestrian crossing into a side road. Rule H2 - the new 2022 priority - places the turning driver at primary fault. The pattern most commonly occurs where a pedestrian is part-way across the mouth of the side road and the driver, having checked for oncoming traffic on the major road, turns without rechecking the side-road footway. The H2 duty is independent of zebra or other marked crossings.

SMIDSY with a motorcyclist. A driver emerging from a junction fails to see an oncoming motorcyclist. Combination of the A-pillar blind spot, saccadic eye-movement masking and inattentional blindness. Reported in the Department for Transport's THINK campaign material. SMIDSY is not a legal defence - it is part of the explanation for why rule 170 is so heavily weighted against the emerging driver.

04JUNCTION

Pelican, puffin, toucan, pegasus and equestrian crossings

Several UK controlled crossings function as miniature junctions in their own right and have their own rules in the Highway Code. A pelican crossing is the older push-button, pedestrian-controlled signal crossing with a flashing-amber 'give way to pedestrians on the crossing' phase, governed by rules 196 and 199. A puffin crossing is the newer kerb-side detector version without the flashing amber, governed by rule 199 - the lights run a standard red/amber/green sequence. A toucan crossing is shared by pedestrians and cyclists, governed by rule 199. A pegasus or equestrian crossing has a higher push-button for riders on horseback and is governed by rule 199.

Liability at a controlled crossing turns on the signal phase at the second of impact. The driver who entered the crossing on red is at fault under rule 175. The driver who entered on flashing amber while a pedestrian was still on the crossing is at fault under rule 196 (pelican). The driver who failed to give way to a pedestrian or cyclist on a toucan crossing is at fault under rule 199. Signal logs from the operating authority are again the controlling evidence. Where the crossing forms part of a wider signal-controlled junction the layout is treated as a single signal-controlled event for the purposes of disclosure.

Insurer apportionment templates at UK junctions

UK motor insurers settle the vast majority of junction collisions against a small set of apportionment templates, anchored to the controlling Highway Code rule. Clear-priority emergence cases - minor-road vehicle pulling out into a major-road vehicle's path - settle at 100% on the emerging party. Clear stop-line failures under rule 172 settle at 100% on the failing party. Clear red-light entry under rule 175 settles at 100% on the entering party.

Disputed-timing right-angle T-bones - both parties claim a green or both claim priority - typically settle 50/50 if no objective evidence is recoverable, but more commonly 70/30 or 80/20 once dashcam, CCTV or signal-timing data is recovered. Where rule H2 engages (pedestrian crossing into a side road) the apportionment template against the turning driver starts at 100% and softens only where the pedestrian was demonstrably running, on a phone or otherwise contributing. Where rule H3 engages (cyclist left-hook or right-hook) the template against the turning driver again starts at 100% and softens only where cyclist-side fault is clear - no lights at night, pavement riding, red-light contravention.

The contributory-negligence doctrine itself sits under the Law Reform (Contributory Negligence) Act 1945. Where a claimant's own conduct contributed to the loss, damages are reduced by a percentage reflecting the claimant's share of responsibility. The percentages applied by insurers in the templates above are predictions of where a court would land if the same case went to trial.

Limitation, the Official Injury Claim portal and the post-31 May 2025 tariff

Three years from the date of the accident for any personal injury claim under section 11 of the Limitation Act 1980, six years for vehicle damage and other property loss under section 2 of the same Act. Our standalone page on the accident claim time limit sets out the date-of-knowledge extension under section 14, the child eighteenth-birthday rule and the protected-party tolling. For low-value injury claims valued at general damages of under £5,000, the route is the Official Injury Claim portal under the Civil Liability Act 2018 small-claims regime. For accidents on or after 31 May 2025 the whiplash compensation tariff is the revised tariff under the Whiplash Injury (Amendment) Regulations 2025 - SI 2025/615 - which uplifted the fixed figures introduced by the 2021 Regulations.

Where the injury is more serious, or where vulnerability or contested liability takes the case outside the portal, the claim proceeds through an SRA-regulated solicitor on the standard pre-action protocol route as a full personal injury claim after a car accident. Where the third-party driver is uninsured or untraced, the Motor Insurers' Bureau is the substitute compensator under the Uninsured Drivers' Agreement 2017 and the Untraced Drivers' Agreement 2017 - see our pages on a MIB uninsured driver claim and a MIB untraced driver claim. Junction collisions account for a disproportionate share of MIB files because hit-and-runs occur with a higher frequency at signal-controlled urban junctions.

Illustrative UK case patterns (composite, not real persons)

Manchester suburban T-junction. A driver emerges from a minor residential road in M20 Didsbury into the path of a major-road vehicle travelling within the 30 mph limit. The minor arm has a give-way line and a triangular sign. The major-road driver's dashcam captures the approach. Liability is accepted at 100% on the emerging party under rule 170 inside two weeks of notification, the major-road driver's vehicle is recovered to a CAZ-aware bodyshop and a like-for-like credit-hire replacement is placed pending repair.

Bristol signal-controlled crossroads. Two vehicles enter the BS1 crossroads from opposing approaches and collide right-angle. Each driver claims a green. Bristol City Council signal-timing logs and junction CCTV are requested inside the seven-day disclosure window. The logs establish that the driver of the southbound vehicle entered on a settled red phase. Liability is accepted at 100% on that driver, contributory-negligence argument abandoned at first response.

Edinburgh rule H2 pedestrian-priority claim. A driver in EH3 turns into a side road and strikes a pedestrian who had stepped from the kerb to cross. Pre-2022 the apportionment template would have started 50/50; under H2 the template starts 100% against the turning driver. The pedestrian's injury claim proceeds through the Official Injury Claim portal at the post-31 May 2025 tariff.

Cardiff cyclist left-hook on Newport Road. A driver turning left from the A4161 into a side road clips a cyclist going ahead in the nearside cycle lane. Rule H3 engages. The cyclist has front and rear lights, a helmet-cam clip and was riding within the cycle infrastructure. Liability is accepted at 100% on the driver within three weeks; the cyclist's claim proceeds through a SRA-regulated solicitor outside the OIC portal because the injury value sits above the £5,000 threshold.

Related UK collision and claim pages

Each linked page deepens one part of the junction-claim picture. The collision types hub gives the wider 24-scenario landscape. The roundabout, rear-end shunt and lane-change pages cover the other at-scene categories. The cyclist collision page complements rule H3 with the wider vulnerable-road-user position. The non-fault and car accident hub pages give the underlying claims-management frame.

Six-step UK junction post-accident sequence

Step 1
Make the scene safe and comply with section 170 of the Road Traffic Act 1988
Stop, switch on hazard lights and move to a place of safety on the verge or footway where possible. Section 170 of the Road Traffic Act 1988 requires you to stop and to exchange names, addresses, vehicle registrations and insurer details with every other driver and any injured person's representative. Where injury is present, where details cannot be exchanged at the scene, or where an animal listed in section 170(8) is hurt, the collision must be reported to the police as soon as reasonably practicable and in any case within 24 hours. Treat the junction marking - the give-way or stop line - as part of the scene and avoid moving vehicles before it has been photographed.
Step 2
Photograph the junction marking, signs, sightline and signal heads
Before any vehicle is moved, photograph the give-way or stop line on the approach the third party drove, the triangular 'Give Way' or octagonal 'STOP' sign, the signal-head face from the driver's seated position and the wider sightline. Take a second set of photographs from the driver's eye line on the approach - this is the only contemporaneous record of what the emerging driver could realistically see, and it settles vegetation, parked-vehicle and street-furniture obstruction arguments later. Note the date and time. Photograph all damage panels on all vehicles and the final rest positions.
Step 3
Extract and back up dashcam, helmet-cam and cyclist-cam footage within 24 hours
Dashcam, motorcycle helmet-cam and cyclist-cam footage of the approach is the single highest-weight evidence on a junction file. Extract the relevant clip - covering at least 30 seconds before and 30 seconds after impact - to a separate device or cloud backup within 24 hours, before the device's loop-record overwrites it. Save the original file unedited and keep a checksum or hash where the platform supports it. Note the file name, the start timestamp and a one-line description of what is visible. Dashcam continuity is increasingly relied on by insurers and by the Official Injury Claim portal.
Step 4
Request junction CCTV and signal-timing logs inside the retention window
Most UK local authority and National Highways junction CCTV is retained for between 14 and 30 days before being overwritten. Where a signal-controlled junction is in issue, traffic-control centre signal-timing logs can confirm precisely which phase was active at the second of impact. Send a written request to the relevant local highway authority's traffic management or insurance team, or to National Highways for a trunk-road junction, identifying the junction, the date and time, the direction of travel and the camera reference where known. CityGrip routes this request inside the first week of intake.
Step 5
Identify the controlling Highway Code rule and the H1/H2/H3 position
Match the impact pattern to the correct Highway Code rule. T-junction emergence engages rules 170 and 172. Stop sign engages rule 172 and TSRGD 2016. Signal-controlled junction engages rule 175. Pedestrian crossing into the side road engages rule H2. Cyclist going ahead while a driver turns engages rule H3. Pelican, puffin, toucan, pegasus and equestrian crossings engage rules 195-199. Naming the rule on the claim notification letter focuses the third-party insurer on the right apportionment template and shortens liability negotiation.
Step 6
Instruct an independent engineer and prepare the medical and earnings build
Where damage is structural or the safety of the vehicle is unclear, instruct an independent engineer rather than relying on the at-fault insurer's appointed engineer. For injury, obtain a GP record and an early independent medical examination report through the Official Injury Claim route where general damages are below £5,000, or through a SRA-regulated solicitor where the injury is more serious or there is a vulnerability. Document loss of earnings with payslips, bank statements and HMRC SA302 for the self-employed. CityGrip Accident Claims (Citygrip LTD) operates as a UK accident claim management business and works on a no-upfront-cost basis recovered from the at-fault insurer.

Ranking factors

What decides a UK junction accident claim

Six factors decide the outcome of a UK junction claim more reliably than any others. They are the controlling Highway Code rule, the dashcam clip, the junction CCTV and signal-timing disclosure, the sightline record, the H2 / H3 priority pleading where a vulnerable user is involved, and the independent engineer plus early medical evidence build.

Controlling Highway Code rule correctly identified

The single biggest accelerator on a junction claim is naming the right rule at the first notification. Rule 170 governs the basic emerging-from-a-minor-road duty. Rule 172 governs the stop sign. Rule 175 governs traffic-light junctions including the amber phase. Rules H1, H2 and H3 set the 2022 hierarchy. Insurers settle materially faster where the claim notification points to the specific rule rather than a generic 'failure to give way'.

Highway Code rules 170, 172, 175, H1, H2, H3.

Contemporaneous dashcam, helmet-cam or cyclist-cam clip

Footage covering the 30 seconds before impact is the highest-weight single piece of evidence on a junction file. It captures the signal phase, the emerging vehicle's give-way conduct and the approach speed of the priority vehicle. Extracted to a safe location inside 24 hours and supplied unedited with the claim notification, it usually closes the liability debate.

Civil Procedure Rules disclosure / pre-action protocol.

Junction CCTV and signal-timing disclosure requested in time

Local authority and National Highways junction CCTV typically retains for 14 to 30 days. Traffic-control centre signal-timing logs settle disputed amber / red phases on signal-controlled junctions. Both must be requested in writing inside the retention window - once overwritten they are gone.

Local authority FOI / data subject access requests.

Sightline and obstruction record from the driver's eye line

Photographs from the driver's seated position on the approach - through the windscreen, through the A-pillar gap, through the side window - capture exactly what the driver could realistically see. Vegetation, parked-vehicle, signage and street-furniture obstructions become arguable contributory factors only when contemporaneously photographed.

Highways Act 1980 s.154 / A-pillar blind-spot analysis.

H2 / H3 priority correctly pleaded where a vulnerable user is involved

Where a pedestrian was crossing into the side road or a cyclist was going ahead while a driver turned, the new H2 and H3 priorities reset the apportionment baseline against the turning driver. Pleading the rule by number on the letter of claim materially shifts the third-party insurer's reserve.

Highway Code rules H1-H3 (29 January 2022).

Independent engineer and early medical evidence

An independent engineer's report - instructed before the at-fault insurer's engineer sets a reserve - anchors the property claim. An early independent medical examination through the Official Injury Claim route or a SRA-regulated solicitor anchors the injury claim. Both insulate the claim against the standard insurer-side undervaluation.

Civil Liability Act 2018 / Whiplash Injury Regulations.

UK junction accident FAQs

Who has priority at a UK T-junction?: Under Highway Code rule 170, traffic on the major road has priority over traffic emerging from the minor road. The vehicle on the minor arm must give way - and where a stop sign is in place must stop at the solid white stop line - before proceeding. Rule 172 reinforces that you must stop behind the line at a stop sign in every circumstance, even when the major road appears clear. Rule 175 then sets out the duty at traffic-light controlled junctions. Where the minor-road vehicle emerges without giving way and a collision follows, insurers usually accept 100% fault on the emerging party in the absence of credible evidence the priority vehicle was speeding or driving erratically.
What is the legal difference between a give-way line and a stop line?: Both are road markings prescribed by the Traffic Signs Regulations and General Directions 2016 (SI 2016/362). A give-way line is a double broken white line across the minor arm and is paired with a triangular 'Give Way' sign or, where a sign is impractical, with the inverted-triangle road marking. The driver must give way but is not required to stop if the major road is clear. A stop line is a single continuous white line and is paired with the octagonal 'STOP' sign. The driver must stop at the line regardless of whether the major road appears clear. Failure to stop at a stop line is an offence under section 36 of the Road Traffic Act 1988 and is a recurring source of 100% liability findings at staggered junctions.
What is the H1/H2/H3 hierarchy of road users and when did it apply?: The hierarchy of road users was introduced by the Department for Transport in the revised Highway Code that took effect on 29 January 2022. Rule H1 places the greatest responsibility on those who can do the greatest harm - drivers of HGVs, large passenger vehicles and vans first, then cars and taxis, then motorcyclists, then cyclists, with pedestrians having the lowest responsibility. Rule H2 introduces a new priority: drivers turning into or out of a side road must give way to pedestrians waiting to cross or already crossing. Rule H3 requires drivers to give way to cyclists when turning, and not to cut across them. At a junction these three rules materially shift the contributory-negligence picture against the turning driver.
What is a SMIDSY collision at a junction?: SMIDSY - 'Sorry Mate, I Didn't See You' - is the well-recognised pattern in which a driver pulling out of a junction collides with a vulnerable road user (most commonly a motorcyclist, cyclist or pedestrian) and reports they did not see them. The Department for Transport's 'Think! Motorcycle' campaign and successive Road Safety Authority studies have identified the perceptual cause as a combination of A-pillar blind spots, saccadic masking and 'looked-but-failed-to-see' inattentional blindness. Legally the defence has limited traction: rule 170 places the duty on the emerging driver to give way effectively, and rule H1 places the greatest responsibility on the larger vehicle. SMIDSY does not extinguish liability - it explains it.
Who is liable for a right-angle T-bone collision at a junction?: A right-angle (T-bone) impact at a junction usually involves one vehicle failing to give way or driving through a red light, with the other vehicle striking it side-on or being struck. Where one party has clear priority (green light, major-road traffic) and the other has not (red light, minor-road give-way), insurers almost always settle at 100% on the failing party. Where both parties claim a green or both claim priority - a disputed-timing T-bone - apportionment splits arise, sometimes 50/50, more commonly 70/30 or 80/20 once dashcam, junction CCTV or signal-timing data is recovered. National Highways and local authority signal-controller logs can be requested by formal disclosure and frequently settle the question.
What is a left-hook collision with a cyclist?: A left-hook collision occurs when a driver turning left across a cyclist who is continuing straight ahead on the nearside catches the cyclist with the rear nearside of the vehicle. Highway Code rule H3 - added in January 2022 - expressly requires drivers not to cut across cyclists going ahead when turning into or out of a junction, side road or driveway. Rule 184 sets the general approach to junctions and rule 200 covers reversing. Where a driver is found to have left-hooked a cyclist, liability is normally accepted at 100% in the absence of a clear cyclist-side fault (no lights at night, cycling on the pavement, riding through a red light). A right-hook is the mirror equivalent on a right turn across an oncoming cyclist's path.
Do pedestrians have priority at junctions in the UK?: Yes - since 29 January 2022. Highway Code rule H2 states that at a junction you should give way to pedestrians crossing or waiting to cross a road into which or from which you are turning. This is a material change from the pre-2022 position, under which pedestrians had priority only once already crossing. The new rule applies whether the pedestrian is in the carriageway or waiting on the kerb to cross. At zebra, parallel, pelican, puffin, toucan and pegasus crossings the pedestrian or rider has priority once on or approaching the crossing under rules 195-199. Drivers who fail to give way at a side-road junction now carry the primary fault in pedestrian-conflict claims.
What evidence matters most after a junction collision?: Five evidence categories carry disproportionate weight on a junction file: (1) photographs of the junction marking - give-way line, stop line, signal head positions and sign visibility - taken from the driver's eye line on the approach; (2) dashcam footage of the approach, capturing the signal phase and the priority sequence; (3) junction CCTV from local authority or National Highways cameras, requested within the typical 14-30 day retention window before footage is overwritten; (4) any vegetation, parked-vehicle or street-furniture obstruction of the sightline, photographed from the driver's seated position; (5) signal-controller timing logs where the case turns on whether a light was green, amber or red.
What does Highway Code rule 175 say about traffic-light junctions?: Rule 175 sets the basic rules at signal-controlled junctions. You must stop behind the white stop line when the lights are red or amber. The amber phase means 'stop' unless you have already crossed the stop line or are so close to it that stopping might cause a collision. A filter arrow, when shown alongside a red main signal, gives priority to traffic moving in the direction of the arrow only, and you must still give way to pedestrians lawfully on the carriageway. Where a driver enters a junction on amber and the collision pivots on whether the amber became red before impact, signal-timing disclosure from the relevant local authority traffic-control centre normally resolves the question.
Are councils responsible for overgrown vegetation obstructing a junction sightline?: Where overgrown vegetation on private land projects onto the highway and obstructs the sightline at a junction, the council has a statutory power under section 154 of the Highways Act 1980 to require the landowner to lop, trim or cut back the vegetation. Where the council has been notified and has failed to act, contributory negligence can be apportioned to the local authority alongside the driver who emerged. Where the obstructing vegetation is on land vested in the council itself, primary liability for the obstruction lies with the council. The point matters at rural T-junctions where summer growth materially reduces approach visibility and where a claim against the highway authority sits alongside the road traffic claim.
How long do I have to bring a UK junction collision claim?: Three years from the date of the accident for any personal injury claim under section 11 of the Limitation Act 1980, and six years for vehicle damage and other property loss under section 2 of the same Act. For minor passengers, the three-year personal-injury clock starts on their eighteenth birthday. For low-value injury claims valued at general damages of under £5,000, the Civil Liability Act 2018 and the Whiplash Injury Regulations route the claim through the Official Injury Claim portal. The whiplash tariff was revised by the Whiplash Injury (Amendment) Regulations 2025 (SI 2025/615) for accidents on or after 31 May 2025.
Does it matter if I was hit at a mini-roundabout versus a junction?: Yes - the controlling Highway Code rules differ. A mini-roundabout is governed by rules 188-190 and the give-way-to-the-right principle, even where the painted central island is non-mountable. A T-junction is governed by rules 170-183 and turns on the major / minor road priority. A staggered junction - two T-junctions offset across a major road - combines both, and the priority of through-traffic on the major arm is paramount. Identifying the correct junction type at the outset is important because the apportionment templates the insurers apply are anchored to the specific Highway Code rule engaged, not a generic 'junction' category.

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