Did You Know?There are seven major railroads in the United States (Class I railroads) and over 500 shortline and regional railroads (Class II & Class III railroads)?
UP - Union Pacific
BNSF - Burlington Northern Santa Fe
NS - Norfolk Southern
CSX - CSX Corporation
UP and BNSF dominate the country west of Chicago
CSX and NS dominate the east
Interactive Maps of U.S. Freight Railroads
This site features interactive route maps of the major seven carriers
Map showing average daily freight and passenger train traffic on routes operated by major freight railroads in the United States.
Rail corridors operating at LOS A,B, or C (shown in green) are below practical capacity. Corridors operating at LOS D (shown in yellow) are near practical capacity, and those operating at LOS E (shown in orange) are at practical capacity. The most severe congestion is on corridors at LOS F (shown in red), where traffic exceeds capacity.
National Surface Transportation Policy and Revenue Study Commission