Written question asked by Mike O'Brien (Labour), in the House of Commons. It was due for an answer on Wednesday, 25 May 1994. It was answered by Robert Key (Conservative) on Wednesday, 25 May 1994 on behalf of the Highways Agency.

Dept of Transport;Highways Agency

Question: What studies his Department has undertaken into the use of porous asphalt in the United Kingdom; to set out criteria by which decisions have been made to use porous asphalt on motorways, or other developments, in UK in last five years; to list developments where porous asphalt was used on motorways and trunk roads in last 10 years; and what EC directives or regulations relate to use of porous asphalt on motorways or trunk roads. - Includes text of letter from Lawrie Haynes of Highways Agency.

Secondary information