asked the Secretary of State for Transport, if there is any evidence available to his Department of the voluntary use of seat belts exceeding 30 per cent. either in the United Kingdom or abroad.

Surveys carried out during the last few years have shown average wearing rates in Great Britain slightly above 30 per cent. on several oc-

		1973–74	1974–75	1975–76	1976–77
		£	£	£	£
(i)	Transport Supplementary Grant	—	—	100,323,800	88,752,000
(ii)	Infrastructure Grant	15,545,771	19,760,233	4,473,177	305,277
(iii)	Principal Roads Specific Grant	3,847,529	6,990,771	3,635,092	1,320,838
(iv)	Grants towards the costs of Transportation Studies	—	25,674	6,759	—

Assistance to expenditure in the London Borough of Islington is included in the above figure but cannot be separately identified.Central Government subsidies to nationalised industries—for example public service obligation grants to the British Railway Board and also bus fuel grant and new bus grant—cannot be allocated to particular local authority areas.