Actuating device in a toy track assembly

Apparatus and methods for providing relatively constant...

Automated rail way crossing

Automated railroad crossing warning system

Cantilever gate arm

Device for catching wheel deviations for track switches or cross

Highway grade crossing vehicle violation detector

Intelligent rail crossing control system and train tracking...

Locomotive whistle controlled railroad grade crossing...

Method and apparatus for indicating the presence of a train...

Method and system for automatically activating a warning...

Motion barrier

Rail system having wheel-engaged hydraulic piston-and-cylinder a

Railroad crossing traffic warning system apparatus and method th

Railroad maintenance-of-way personnel warning system...

Railroad safety system

Railroad spring frog

Railroad spring frog assembly

Railroad spring wing frog assembly

Railway wheel detector