Rail Transport Abbreviations and Acronyms
- AAAnn Arbor Railroad
- ABAdditions and Betterments
- ABAbsolute Block
- ABAkron and Barberton Cluster Railway Company
- AB&CAtlanta, Birmingham and Coast
- ABAAir Brake Association
- ABBAkron-Barberton Belt railroad
- ABBAkron and Barberton Belt Railroad Company
- ABCAtlanta, Birmingham and Coast
- ABCAutomatic Ballast Cleaner
- ABCLAutomatic Barrier level Crossing Locally monitored by train crew
- ABCXAlabama Byproducts Corporation
- ABLAlameda Belt Line
- ABLXAmerican Refrigerator Transit Company
- ABMMissouri Pacific Railroad
- ABNAshland Railway
- ABPAberdeen & Briar Patch
- ABSAlabama Southern Railroad
- ACAlternating Current
- ACAlgoma Central Railway
Last updated: — Total entries: 4,036