49 C.F.R. Appendix B to Part 234—Alternate Methods of Protection Under 49 CFR 234.105(c), 234.106, and 234.107(c)
Title 49 - Transportation
Title 49: Transportation
PART 234—GRADE CROSSING SIGNAL SYSTEM SAFETY
Subpart D—Maintenance, Inspection, and Testing
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 present, Flagger for each Police officer but not one for No flagger/no direction of present each direction of police traffic traffic----------------------------------------------------------------------------------------------------------------False Activation................ Normal Speed...... Normal Speed...... Proceed with Proceed with caution_maximum caution_maximum speed of 15 mph. speed of 15 mph.Partial Activation*............. Normal Speed...... Normal Speed...... Proceed with Proceed with caution_maximum caution_maximum speed of 15 mph. speed of 15 mph.Activation Failure**............ Normal Speed...... Normal Speed...... Proceed with Stop: Crewmember caution_maximum flag traffic and speed of 15 mph. 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.
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