The noise levels of all types of surfaces are currently being reviewed. Reduction of tyre noise has to be balanced against conflicting requirements such as skid resistance at high speeds and durability.
I thank my hon. Friend for that reply. I hope he will ensure that his Department makes all speed on this project, because the amount of wheel noise which my constituents in Perry Barr have to suffer is tremendous. I take into consideration—
I can tell my hon. Friend that we hope to have the results of the review within two or three months, and next spring we will be carrying out extensive field trials of a new surface which is very encouraging.