The prevention of the over-running of signals
Block signal mileage, January 1, 1912
The rotary interlocking block system
List of references on motor-truck transportation
Fourteen thousand trucks comprise express fleet
Transportation -- Catalyst to progress
Wisconsin Electric and Hybrid Vehicle Demonstration Project. Final Report, 1981-1985
A self-contained radar velocimeter for ground transportation
Liquid hydrogen fuelled automobiles: on-board and stationary cryogenic installations