§ 67. Sir J. LAMBasked the Minister of Transport if he is now able to state what is the result of the programme of tests as to the relative amount of damage done to roads by six-wheeled and four-wheeled vehicles?
The PARLIAMENTARY SECRETARY to the MINISTRY of TRANSPORT (Lieut-.Colonel Headlam)Certain impact tests are now in progress on a specially designed four-wheeled vehicle. The extension of the tests to a wider range of loads and speeds and to six-wheeled vehicles will necessitate the design of further apparatus.