Federal Railroad Administration Rules
49 CFR = Code of Federal Regulations, Title 49, Transportation (Department of Transportation). Chapter II concerns the Federal Railroad Administration.)
Part 229, Railroad Locomotive Safety Standards.
Part 231, Railroad Safety Appliance Standards
Locomotive identification:
The letter 'F' shall be legibly shown on each side of every locomotive near the end which for identification purposes will be known as the front end. (49 CFR 229.11, paragraph a)
The locomotive number shall be displayed in clearly legible numbers on each side of each locomotive. (49 CFR 229.11, paragraph b)
(Note that there is no mention of requiring a railroad name to be shown, just the number.)
Footboards:
All locomotives built after March 1975 must not be equipped with footboards. (49 CFR 231.30 paragraph d., part 1)
After September 1978, all locomotives built before April 1975 must not be equipped with footboards. (49 CFR 231.30, paragraph d., part 2)
Contrasting colors:
All locomotives used in switching service built after March 1977 must be equipped with illuminated step treads. (49 CFR 231.30, paragraph c., part 6)
After September 1979, all locomotives used in switching service built before April 1977, and not equipped with illuminated step treads, must have the outer edge of each step tread painted in a contrasting color. (49 CFR 231.30, paragrpah a., part 2)
All locomotives used in switching service built after March 1977 must have their vertical handholds painted a contrasting color at least 48 inches above the step tread surface. (49 CFR 231.30, paragraph e., part 1)
After September 1979, all locomotives used in switching service built before April 1977 must have their vertical handholds painted a contrasting color at least 48 inches above the step tread surface. (49 CFR 231.30, paragraph a., part 2)
Car Roofwalks (Running Boards):
All cars built after April 1966, and entering service before October 1966 must not be equipped with roofwalks, except those with roof hatches. (49 CFR 231.27, paragraph i.)
By December 31, 1983, all cars built before April 1966 must not be equipped with roofwalks. (49 CFR 231.1, note)
