Peter L. Harms

• Bumper-to-bumper collisions on the M4 motorway (Chiswick to Maidenhead) in 1966 and 1967
• Driver following studies on the M4 motorway during a holiday and a normal weekend in 1966
• Equipment for the automatic measurement of headway, speed and wheelbase of vehicles
• Evaluation of frequency shift keying equipment for use with pulses from vehicle detectors