timber bridges onceaccountedfor up to 3% of the total length of the average railroad. Although these bridges are largely outdated, they are still invaluable to infrastructure systems. For example, steel or timber trestles are often built in areas where a filled-in bridge could block potential...
The speed of 367 drivers was observed on a rural road in the approach zone of a railroad crossing under three different protection systems: passive protection consisting of signs only, active protection with flashing red lights and active protection with flashing lights and half-gates. The two ...
The performance of wireless magnetometers for vehicle detection was evaluated under favorableand adverse weather conditions at two locations: 1) a signalized intersection with stop bar andadvance zones, and 2) a railroad grade crossing, as a potential backup system to control theoperation of gates....