Railways Abbreviations and Acronyms
- ABCLAutouatic Barrier Crossing Locally Monitored
- ABCRAutomatic Barrier Crossing Remotely Monitored
- AHBCAutomatic Half Barrier Crossing
- AHQArea Headquarters
- AOCLAutomatic Open Crossing Locally Monitored
- AOCRAutomatic Open Crossing Remoteiy Monitored
- ATAAutomatic Track Alignment
- ATCOAssociation of Transport Co-Ordinating Offices
- ATPMAutomatic Train Protection Manual
- ATRAutomatic Train Regulation
- ATRAutomatic Train Reporting
- ATSSAutomatie Train Supervision System
- ATTActive Qilting Train
- AVACSAire Valley Controlcsystem
- AVBAutomatic Vacuum Brake
- AWBAdvance Warning Board
- AWSAudible Warning System
- BBESTBalfour Beatty Embedded Slab Track
- BBRMBalfour Beatty Rail Maintenance Ltd
- BBRPLBalfour Beatty Rail Projects Ltd
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