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Mr. Wardell
asked the Secretary of State for Transport if he will publish in the Official Report for 1981–82, the numbers of heavy vehicles tested at his Department's testing stations, together with success and failure rates, giving details of the reasons for failure.
Mrs. Chalker
The information for the year ended 31 March is as follows:
| Motor Vehicles | Percentage of vehicles inspected |
| 4. Brake pipes reservoir etc. | 3·282 |
| 5. Mechanical brake components | 1·871 |
| 6. Oil leaks | 1·644 |
| Motor Vehicles | Percentage of vehicles inspected |
| 7. Suspension units (attachment) | 1·555 |
| 8. Steering linkage | 1·454 |
| 9. Tyres (condition) | 1·419 |
| Trailers | Percentage of vehicles inspected |
| 1. Service brake performance | 6·563 |
| 2. Secondary brake performance | 2·841 |
| 3. Parking brake performance | 2·487 |
| 4. Brake pipes, reservoir etc. | 2·140 |
| 5. Suspension units (attachment) | 1·663 |