asked the Secretary of State for the Environment what was the injury accident rate per million miles for invalid tricycles, adapted cars issued by DHSS and normal cars and taxis for the 12 months to 30th September 1973, and 30th September 1974, respectively.
Following are the figures:Vehicle involvement rate in injury accidents per million vehicle miles.
Following are figures for the period January to October 1974:
| Number overturned in injury accidents | Number in use | |
| Normal 3-wheelers | 468 | 94,400 |
| Invalid tricycles | 55 | 20,130* |
| * Excluding about 2,300 reserve stock of tricycles. | ||
asked the Secretary of State for the Environment how many accidents involving three-wheeled cars occurred during each of the last five years.
The following are figures of 3-wheeled motor vehicles involved in accidents resulting in personal injury. Figures for other accidents are not available.1974–75 accounted for by interest charges are set out in the Third Report of the Steering Group on Water Authority Economic and Financial objectives. They are as follows:
| North-West | 33·2 per cent. |
| Northumbrian | 45·0 per cent. |
| Severn-Trent | 33·5 per cent. |
| Yorkshire | 30·8 per cent. |
| Anglian | 39·3 per cent. |
| Thames | 23·4 per cent. |
| Southern | 28·4 per cent. |
| Wessex | 39·0 per cent. |
| South-West | 36·5 per cent. |