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Written question asked by Bill Wiggin (Conservative) on Wednesday, 8 February 2006, in the House of Commons. It was due for an answer on Monday, 13 February 2006. It was answered by Stephen Ladyman (Labour) on Tuesday, 14 February 2006 on behalf of the Department for Transport.


Roads

Question
To ask the Secretary of State for Transport what assessment has been made of whether stone mastic asphalt surfaces have the same skid co-efficient as hot rolled asphalt.
Answer

Extensive research on the skid resistance of road surfacings over the last ten years has included measurements of both stone mastic asphalt and hot rolled asphalt. This has shown that provided the appropriate aggregate is used and the surface texture is adequate, the skid resistance of stone mastic asphalt falls within the expected range for typical hot rolled asphalt surfacing.


Secondary information

Type
Written question
Reference
442 c1881W;442 c1881W; 51369
Session
2005-06
Subjects
Construction Materials Safety Roads
Link
View this Written question on www.publications.parliament.uk