- branch pipe tee
- branch telephone office
- branching turnout
- branding & stamping of rails
- break a seal
- break-up capacity of hump
- break-up of trains
- breakdown gang
- breakdown locomotive
- breakdown of equipment, equipment failure
- breakdown train,rescue train
- breaking up ice run,breaking up ice floe prevent collision
- breathing zone
- bridge and tunnel guarder telephone
- bridge and tunnel patrolling
- bridge and tunnel watchman,bridge and tunnel patrolling man
- bridge announciating device
- bridge connection
- bridge construction clearance, bridge structure gauge
- bridge erection by floating
- bridge fabrication machine
- bridge foundation
- bridge load spectrum
- bridge obstruction signal
- bridge post
- bridge rating test
- bridge test car
- bridge tie,bridge sleeper
- bridge tower,pylon
- bridges in cascade,multi rectifier bridge
- bridging filter for dispatching telephone with VF selective calling
- brittle fractures of rail, suddenr upture of rail
- broad concrete tie
- broad-gage railway
- broadband interference
- broadcast call
- broadcasting for train
- broken chain
- broken height
- broken rail protection
- brush
- brush box
- brush cleaning
- brush cutting machine,brush cutter
- brush gear
- brush-holder
- bucket elevator
- bucket loader
- buffer beam
- buffer layer