§ Mr. Steinberg
To ask the Secretary of State for Transport if he will list the type, number and age of locomotives currently in use by British Rail and their designated length of service; and what is the type, number and age of passenger rolling stock and their designated length of service.
§ Mr. Freeman
British Rail owned the following traction and rolling stock at 31 March 1990:
Type Number Diesel locomotives 1,835 Electric locomotives 260 High Speed Train power units 197 Coaching vehicles 13,833
The Department does not hold comprehensive information on the age of railway rolling stock.
British Rail uses the following estimates of useful life for accounting purposes, but these book lives are conservative estimate. Actual lives can be much longer, depending on a range of factors such as condition and maintenance costs.
Type Book life Locomotives 20 years Electric multiple units 25 years Passenger carriages 20 years High Speed trains 15 years