§ Mr. Chidgey
To ask the Secretary of State for Transport what changes have been permitted in the dimensions of heavy goods vehicles since the increase in lorry weights to 38 tonnes was implemented. 
§ Mr. Watts
The maximum permitted weight of lorries increased to 38 tonnes in 1983. Since that date, the maximum permitted length of an articulated vehicle increased from 15.5m to 16.5m in 1990 and the maximum length of a lorry and trailer increased from 18.0m to 18.35m in 1991. The maximum width for refrigerated vehicles increased from 2.5m to 2.58m in 1986 and then to 2.6m in 1988. The maximum width of other types of lorry increased from 2.5m to 2.55m in 1996.