1. National Standards for Traffic Control Devices; the Manual on Uniform Traffic Control Devices for Streets and
RULES: Uniform Traffic Control Devices Manual—; Traffic sign retroreflectivity; maintenance methods,
The Manual on Uniform Traffic Control Devices (MUTCD) is
incorporated by reference in 23 CFR part 655, subpart F, approved by
the Federal Highway Administration, and recognized as the national
standard for traffic control devices used on all public roads. The
purpose of this final rule is to revise standards, guidance, options,
and supporting