AC and battery backup supply for a railroad crossing gate

Actuating device in a toy track assembly

Actuator mechanism

Adjustable gage plate assembly

Adjustable switch point guard

Adjusting system for railroad turnout switch points

Advance train line register for a train speed regulation system

All weather switch for railroads

Alternating current track circuits

Antenna apparatus for vehicle track rail signals

Antenna apparatus for vehicle track rail signals

Antenna mounting structure for movable member conveying system

Anti-collision safety device for a passenger transport system on

Apparatus and method for conserving fuel during dynamic braking

Apparatus and method for determining one or more operating chara

Apparatus and methods for providing relatively constant...

Apparatus for car counting and discrimination

Apparatus for continuously measuring the position of a moving ra

Apparatus for continuously measuring the position of a moving ra

Apparatus for controlling traffic flow along a pathway