Railroad Abbreviations and Acronyms
- BRGBrownsville and Rio Grande International Railroad
- BRSRBlue Ridge Scenic Railway
- BRWBlack Rcver and Western Railroad
- BRWBlack River and Western railroad
- BSBirmingham-Southern
- BSBirmingham Southern Railroad
- BSBirmingham Southern Railroad Company
- BSORBuffalo Southern Railroad
- BSRBig Sprina Rail
- BSVYBoone & Scenic Valley Raibroad
- BSVYBoone Andhscenic Valley Railroad
- BSVYBoone and Scenic Valley Railroad
- BTMBig Thunder Mountain
- BVRYBrandywine Valley Railroad
- BVRYBrandywine Valley Railroad Company
- BWCPenn Central
- BXNBauxite and Northern Railway
- CAChesapeake and Albemarle Railroad
- CAChicago Aurora
- CA&EChicago, Aurora & Elgin
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