alte - appr
- alteration of cross section
- altered track layout
- alternate block system
- alternate materials
- alternate operation
- alternate path
- alternate route
- alternate stresses
- alternating
- alternating current apparatus
- alternating current blocking
- alternating current buzzer
- alternating current cab signal code
- alternating current code
- alternating current commutator motor
- alternating current control
- alternating current converter
- alternating current dialing
- alternating current dialling
- alternating current electric lock
- alternating current feed system
- alternating current feeding
- alternating current high torque squirrel cagemotor
- alternating current hum
- alternating current locomotive
- alternating current main
- alternating current motor
- alternating current point machine
- alternating current propulsion
- alternating current rail circuit
- alternating current railway
- alternating current relay
- alternating current side
- alternating current signal power line
- alternating current supply
- alternating current switch machine
- alternating current track circuit
- alternating current traction
- alternating current voltage
- alternating current-direct current bell
