Traverser and Traverser Track (R30) illustrate the distinctive planning geometry which formed the model for late 19th century railway designers and engineers
unified An electropneumatic braking system which synchronized the braking effort of every car in the train to provide a faster braking response was first introduced
the IRT Redbirds (R26, R28, R29, R33, R33S, R36), as well as IND/BMT cars (R30 GE, R32, R38, R40, R40A, R42, R44, and R46). These cars were rebuilt between
preserved by the Railway Preservation Corp. 4736–4737 – donated to East New York's Transit Tech High School on April 14, 2009, replacing R30 car 8337, which