49 CFR Appendix B to Part 234, Alternate Methods of Protection Under 49 CFR 234.105(c), 234.106, and 234.107(c)

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Appendix B to Part 234 - Alternate Methods of Protection Under 49 CFR 234.105(c), 234.106, and 234.107(c)

[This is a summary - see body of text for complete requirements]

Flagger for each direction of traffic Police officer present Flagger present, but not one for each direction of traffic No flagger/no police
False Activation Normal Speed Normal Speed Proceed with caution - maximum speed of 15 mph Proceed with caution - maximum speed of 15 mph.
Partial Activation* Normal Speed Normal Speed Proceed with caution - maximum speed of 15 mph Proceed with caution - maximum speed of 15 mph.
Activation Failure** Normal Speed Normal Speed Proceed with caution - maximum speed of 15 mph Stop: Crewmember flag traffic and reboard.

*Partial activiation - full warning not given.

Non-gated crossing with one pair of lights designed to flash alternatively, one light does not work (and back-lights from other side not visible).

Gated crossing - gate arm not horizontal; or any portion of a gate arm is missing if that portion had held a gate arm flashing light.

**Activitation failure includes - if more than 50% of the flashing lights on any approach lane not functioning; or if an approach lane has two or more pairs of flashing lights, there is not at least one pair operating as intended.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
Public Laws