Historical
APTA RP-M-009-98
Recommended Practice for New Truck Design
This recommended practices gives guidance for the design of new commuter and intercity rail car trucks with application speeds not exceeding 125 miles per hour (mph) (200 khp) and for the application of existing truck designs significantly different from the prior application(s) in terms of load, speed, track geometry, carbody and significant combinations of these factors.
American Public Transportation Association [apta]