AA - Ann Arbor Railroad
ACWR - Aberdeen Carolina and Western R…
AERC - Albany and Eastern Railroad
AGR - Alabama and Gulf Coast Railway
AKDN - Acadiana Railway
AL - Almanor Railroad
AM - Arkansas and Missouri Railroad
APA - Apache Railway
ARA - Arcade and Attica Railroad
ARZC - Arizona and California Railroad
ASRY - Ashland Railway
ATLT - AT&L Railroad
ATW - Atlantic and Western Railway
AZCR - Arizona Central Railroad
BCLR - Bay Colony Railroad
BDRV - Belvidere and Delaware River Ra…
BLOL - Bloomer Line
CA - Chesapeake and Albemarle Railroad
CAGY - Columbus and Greenville Railway
CALA - Carolina Southern Railroad
CBRW - Columbia Basin Railroad
CBRY - Copper Basin Railway
CERA - Central Railroad of Indianapoli…
CFWR - Caney Fork and Western Railroad
CIND - Central Railroad of Indiana
CIRR - Chattahoochee Industrial Railro…
CLC - Columbia and Cowlitz Railway
CLP - Clarendon and Pittsford Railroad
CM - Central Montana Rail
COP - City of Prineville Railway