Trussman posted:Thanks for the list RTR12.
Here's few more to ad.
ABS-Automatic Block System
ALCO- American Locomotive company
Budd- Railroad car manufacturer
COFC-Container On Flat Car
CWR-Continuous Welded Rail
FM- Fairbanks Morse
GE- General Electric
LIMA- An American firm that manufactured railroad locomotive (1870's to 1950's)
Sorry but, "LIMA" is NOT an acronym nor an abbreviation. The company name was Lima Locomotives Works, located in Lima, Ohio (which is also NOT an acronym or abbreviation).
Ma&Pa- Maryland and Pennsylvania railroad
RDC-Rail Diesel Car
USRA-United States Railroad Association