John Cagney Chartered Engineer
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Engineers Ireland
Institute of Asphalt Technology (IAT)
IAT Irish Branch
Road Surface Treatment Association (RSTA)
TII Publications
Northstone Special Products
Roadstone Bituminous Materials
TRL - Transport Research
National Highways (UK)
Transport Scotland
Chartered Institute of Highways & Transportation
(CIHT)
Institute of Highway Engineers (IHE)
HFS Skid Resistance Performance Video by Mark Stephenson of WDM
HFS Service Life Video by Steve Hunt of BBA
RSTA Video on HFS