Results
The tables below show before and after collision data, along with a percentage change in collisions, for local safety schemes and 20 mph zones.
Before and after figures are for up to 36 months from implementation.
| Local safety schemes | ||||
|---|---|---|---|---|
| Area |
Number of schemes |
Collisions before |
Collisions after |
% change |
| Central | 146 | 2064 | 1515 | -27 |
| North | 108 | 1347 | 1031 | -23 |
| South | 137 | 1752 | 1146 | -35 |
| Total | 391 | 5163 | 3692 | -29 |
| 20mph zones | ||||
|---|---|---|---|---|
| Area |
Number of zones |
Collisions before |
Collisions after |
% change |
| Central | 24 | 536 | 367 | -32 |
| North | 24 | 231 | 167 | -28 |
| South | 27 | 482 | 308 | -36 |
| Total | 75 | 1249 | 842 | -33 |
| Local safety schemes and 20mph zones | ||||
|---|---|---|---|---|
| Area |
Number of schemes |
Collisions before |
Collisions after |
% change |
| Central | 170 | 2600 | 1882 | -28 |
| North | 132 | 1578 | 1198 | -24 |
| South | 164 | 2234 | 1454 | -35 |
| Total | 466 | 6412 | 4534 | -29 |