Skip to main content
CrashStats

A172 accidents: crash map and statistics

Police recorded 2,373 collisions on the A172 from 1979 to 2025, with 3,318 casualties. Of those crashes, 44 were fatal and 408 serious, and 50 people were killed.

In 2025 there were 12 collisions on the A172, down 20% from 15 in 2024, with 13 casualties.

Collisions since 1979
2,373
489th highest of 4,923 roads
Casualties
3,318
1.40 per collision
Fatal collisions
44
50 people killed
Serious collisions
408
518 seriously injured
Collisions in 2025
12
Down 20% on 2024
Casualties in 2025
13
Down 24% on 2024

Crash severity on the A172

On the A172, 1.9% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal441.9%
  • Serious40817%
  • Slight1,92181%

Where the A172 ranks among 4,923 roads

Most collisions
489th
Most casualties
485th
Most fatal collisions
468th
Most serious collisions
525th

A172 accidents by year

Collisions on the A172 peaked at 92 in 1988 and were down to 12 in 2025.

Collisions and casualties on the A172, 1979 to 2025

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251213
20241517
20231520
20223453
20211622
20202331
20191922
20183249
20171629
20162940
20153451
20143860
20131622
20123546
20113346
20103345
20093040
20084074
20073452
20065085
20056186
20044050
20036088
20026395
20015266
20006588
19995171
19985164
19974670
199668100
19956588
19946181
199372101
19926484
199185127
199085121
198986111
198892122
19877493
198686119
198577106
198483117
198376113
198276105
198180103
19805061
19795071

When crashes happen on the A172

Friday has the most collisions on the A172 (379), and 3pm to 6pm is the busiest time of day (574).

Collisions by day of the week

  • Monday345 (15%)
  • Tuesday356 (15%)
  • Wednesday359 (15%)
  • Thursday362 (15%)
  • Friday379 (16%)
  • Saturday307 (13%)
  • Sunday265 (11%)

Collisions by time of day

  • Midnight to 3am74 (3.1%)
  • 3am to 6am23 (1%)
  • 6am to 9am249 (10%)
  • 9am to noon371 (16%)
  • Noon to 3pm425 (18%)
  • 3pm to 6pm574 (24%)
  • 6pm to 9pm389 (16%)
  • 9pm to midnight268 (11%)

Collisions by month

  • January205 (8.6%)
  • February180 (7.6%)
  • March221 (9.3%)
  • April197 (8.3%)
  • May176 (7.4%)
  • June177 (7.5%)
  • July175 (7.4%)
  • August206 (8.7%)
  • September197 (8.3%)
  • October205 (8.6%)
  • November220 (9.3%)
  • December214 (9%)

Light conditions at the time

  • Daylight1,637 (69%)
  • Dark, street lights lit583 (25%)
  • Dark, no street lighting121 (5.1%)
  • Dark, lighting unknown27 (1.1%)
  • Dark, street lights unlit5 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A172 crashes

On the A172, 58% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 15 mph1 (under 0.1%)
  • 20 mph2 (0.1%)
  • 30 mph1,365 (58%)
  • 40 mph518 (22%)
  • 50 mph18 (0.8%)
  • 60 mph447 (19%)
  • 70 mph19 (0.8%)
  • Not recorded3 (0.1%)

Weather at the time

  • Fine, no high winds1,891 (80%)
  • Raining, no high winds304 (13%)
  • Fine with high winds51 (2.1%)
  • Raining with high winds33 (1.4%)
  • Other87 (3.7%)
  • Not recorded7 (0.3%)

Road surface

  • Dry1,519 (64%)
  • Wet or damp790 (33%)
  • Frost or ice34 (1.4%)
  • Snow18 (0.8%)
  • Flood over 3cm deep1 (under 0.1%)
  • Not recorded11 (0.5%)

Type of road

  • Single carriageway1,907 (80%)
  • Roundabout234 (9.9%)
  • Dual carriageway178 (7.5%)
  • One way street or slip road47 (2%)
  • Not recorded7 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A172 crashes

Car occupants make up 63% of the people killed or injured on the A172, followed by pedestrians (14%).

Casualties by road user

  • Car occupant2,100 (63%)
  • Pedestrian452 (14%)
  • Cyclist263 (7.9%)
  • Motorcyclist256 (7.7%)
  • Taxi or private hire car occupant86 (2.6%)
  • Van occupant73 (2.2%)
  • Bus or coach occupant43 (1.3%)
  • Other45 (1.4%)

Vehicles involved

  • Car3,465 (77%)
  • Pedal cycle267 (5.9%)
  • Motorcycle262 (5.8%)
  • Van or goods vehicle up to 3.5 tonnes187 (4.1%)
  • Taxi or private hire car107 (2.4%)
  • Bus or coach94 (2.1%)
  • Goods vehicle over 3.5 tonnes79 (1.7%)
  • Other56 (1.2%)

Casualties by age

  • 0 to 559 (1.8%)
  • 6 to 10106 (3.2%)
  • 11 to 15204 (6.1%)
  • 16 to 20527 (16%)
  • 21 to 25444 (13%)
  • 26 to 35622 (19%)
  • 36 to 45484 (15%)
  • 46 to 55349 (11%)
  • 56 to 65260 (7.8%)
  • 66 to 75156 (4.7%)
  • Over 75101 (3%)
  • Not recorded6 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider1,941 (58%)
  • Passenger925 (28%)
  • Pedestrian452 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A172

Map of the 25 most recent crashes on the A172

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 25 crashes
  • Serious
  • Slight

A172 crashes by council area

Collisions on the A172 were recorded in 3 council areas. Middlesbrough has the most, with 1,978, followed by North Yorkshire (386) and Redcar and Cleveland (3).

Collisions on the A172 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stMiddlesbrough1,9782,62127276
2ndNorth Yorkshire38668617131
3rdRedcar and Cleveland3501

A172 crashes by town

Collisions on the A172 were recorded in 2 towns and built-up areas, led by Middlesbrough (1,664) and Stokesley (13).

Recent crashes on the A172

These are the 25 most recent collisions on the A172, from 14 April 2024 to 2 December 2025.

Severity