Scottish Transport Statistics No 30: 2011 Edition
| 2007 | 2008 | 2009 | 2007 | 2008 | 2009 | ||
|---|---|---|---|---|---|---|---|
| Cars2 | thousands | Private Passenger (over 12 seats) | thousands | ||||
| Total Tests | 1,888.6 | 1,930.0 | 1,974.6 | Total Tests | 4.5 | 4.5 | 4.5 |
| Pass with Rectification at Station | 661.0 | 686.5 | 734.9 | Pass with Rectification at Station | 1.1 | 1.2 | 1.3 |
| Fail | 134.8 | 149.6 | 150.1 | Fail | 0.1 | 0.2 | 0.2 |
| Initial Failure Rate4 | 42.1% | 43.3% | 44.8% | Initial Failure Rate4 | 27.6% | 31.7% | 32.4% |
| Final Failure Rate5 | 35.0% | 35.6% | 37.2% | Final Failure Rate5 | 24.7% | 27.9% | 27.7% |
| Percentage of vehicles with one or more fail | Percentage of vehicles with one or more fail | ||||||
| or PRS3 type RfRs6 in defect category | percent | or PRS3 type RfRs6 in defect category | percent | ||||
| Body and structure | 1.8 | 1.8 | 1.7 | Body and structure | 5.6 | 5.5 | 5.5 |
| Brakes | 18.6 | 18.2 | 18.8 | Brakes | 13.0 | 15.2 | 15.9 |
| Drivers view of the road | 8.2 | 8.4 | 8.9 | Drivers view of the road | 4.9 | 5.7 | 5.9 |
| Driving controls | 0.0 | 0.0 | 0.0 | Driving controls | 0.4 | 3.6 | 1.9 |
| Fuel and exhaust | 8.3 | 8.2 | 8.0 | Fuel and exhaust | 4.5 | 4.1 | 3.7 |
| Lighting and signalling | 20.2 | 20.9 | 21.7 | Lighting and signalling | 13.6 | 16.5 | 16.1 |
| Motor tricycles and quadricycles | 0.0 | 0.0 | 0.0 | Reg plates and vin | 0.5 | 1.0 | 1.1 |
| Reg plates and vin | 1.6 | 1.8 | 1.9 | Road wheels | 0.2 | 0.1 | 0.2 |
| Road wheels | 0.4 | 0.4 | 0.5 | Seat belts | 7.3 | 7.7 | 7.8 |
| Seat belts | 2.0 | 2.0 | 1.9 | Steering | 4.0 | 4.3 | 4.2 |
| Steering | 4.1 | 4.2 | 4.6 | Suspension | 7.7 | 8.2 | 8.5 |
| Suspension | 17.0 | 16.9 | 17.7 | Towbars | 0.0 | 0.0 | 0.1 |
| Towbars | 0.0 | 0.0 | 0.1 | Tyres | 3.4 | 3.5 | 3.3 |
| Tyres | 9.5 | 9.6 | 9.3 | Items not tested | 0.5 | 0.4 | 0.5 |
| Items not tested | 1.2 | 1.2 | 1.1 | ||||
| Defect Items per Initial Test Failure | 3.70 | 3.59 | 3.56 | Defect Items per Initial Test Failure | 4.05 | 4.12 | 4.00 |
| Motor cycles | thousands | Light goods vehicles7 | thousands | ||||
| Total Tests | 51.5 | 53.6 | 55.9 | Total Tests | 37.4 | 39.6 | 41.2 |
| Pass with Rectification at Station | 6.7 | 7.2 | 8.0 | Pass with Rectification at Station | 17.0 | 18.1 | 19.1 |
| Fail | 2.6 | 3.4 | 3.7 | Fail | 1.5 | 2.1 | 2.6 |
| Initial Failure Rate4 | 18.2% | 19.8% | 20.9% | Initial Failure Rate4 | 50% | 51% | 53% |
| Final Failure Rate5 | 13.1% | 13.4% | 14.3% | Final Failure Rate5 | 46% | 46% | 46% |
| Percentage of vehicles with one or more fail | Percentage of vehicles with one or more fail | ||||||
| or PRS3 type RfRs6 in defect category | percent | or PRS3 type RfRs6 in defect category | percent | ||||
| Body and structure | 0.8 | 0.8 | 0.9 | Body and structure | 6.8 | 6.8 | 6.2 |
| Brakes | 5.5 | 5.3 | 5.4 | Brakes | 31.6 | 31.4 | 32.1 |
| Drive system | 1.1 | 1.3 | 1.6 | Drivers view of the road | 13.5 | 13.3 | 13.7 |
| Driving controls | 0.4 | 0.5 | 0.5 | Fuel and exhaust | 9.0 | 8.5 | 8.0 |
| Fuel and exhaust | 1.7 | 1.7 | 1.6 | Lighting and signalling | 31.7 | 32.8 | 34.1 |
| Lighting and signalling | 9.9 | 11.0 | 11.4 | Reg plates and vin | 2.6 | 2.7 | 3.1 |
| Registration plates and vin | 0.9 | 1.3 | 2.2 | Road wheels | 0.5 | 0.5 | 0.4 |
| Sidecar | 0.0 | 0.0 | 0.0 | Seat belts | 5.9 | 6.0 | 5.4 |
| Steering and suspension | 5.1 | 5.1 | 5.1 | Steering | 8.9 | 8.3 | 8.8 |
| Tyres and wheels | 3.2 | 3.6 | 3.6 | Suspension | 23.4 | 22.4 | 21.1 |
| Items not tested | 0.2 | 0.2 | 0.2 | Towbars | 0.0 | 0.0 | 0.4 |
| Tyres | 8.4 | 8.1 | 7.8 | ||||
| Items not tested | 1.6 | 1.5 | 1.6 | ||||
| Defect Items per Initial Test Failure | 2.11 | 2.06 | 2.08 | Defect Items per Initial Test Failure | 5.68 | 5.40 | 5.30 |
1. Vehicle numbers are for valid, and completed normal tests only. Retests are excluded.
2. Cars, vans and passenger vehicles with up to 12 seats.
3. PRS = Pass with Rectification at Station
4. Initial Failure Rate = (PRS + Failures) / Total Tests
5. Final Failure Rate = Failures / Total Tests
6. Reason for Rejection
7. Over 3,000kg and up to and including 3,500kg.