Seasonal skid resistance variations. Final report.

Mode of access: Internet.

Harmonization of braking regulations - report number 6: testing to address surface friction and vehicle braking efficiency comments to the SNPRM. Interim report.

Mode of access: Internet.

Variations in skid resistance over time. Part 1. Final report.

Virginia Department of Highways and Transportation, Richmond

Using an outflow meter to predict braking traction speed gradients as a function of surface tension. Technical report.

Mode of access: Internet.

Accident rates and surface properties - an investigation of relationships. Final report.

Federal Highway Administration, Washington, D.C.

Effectiveness of alternative skid reduction measures - volume IV: criteria for improvement of pavement surface macrotexture. Final report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.