Highways Agency Reports
By Project
Highways Agency Research Compendium
Traffic-speed condition survey (Tracs)
Reports mentioning project record 'N030'
Advice on the procurement of traffic-speed road condition surveys by C.C. Spong
Crowthorne Transport Research Laboratory, 1997
Development of an end result specification for traffic-speed surveys inception report by C.C. Spong
Crowthorne Transport Research Laboratory, 1996