7 CSR 265-8.018
Signs
PURPOSE: This rule prescribes standards for informational,
directional, and warning signs used as a result of rules of the
Missouri Department of Transportation.
PUBLISHER’S NOTE: The secretary of state has determined that
publication of the entire text of the material that is incorporated
by reference as a portion of this rule would be unduly cumbersome
or expensive. This material as incorporated by reference in this
rule shall be maintained by the agency at its headquarters and
shall be made available to the public for inspection and copying
at no more than the actual cost of reproduction. This note applies
only to the reference material. The entire text of the rule is printed
here.
(1) All crossing warning signs, track switch position indicators,
and close clearance-warning signs shall—
(A) Be covered with a retroreflectorized material to show the
same shape and color by day or night;
(B) Use retroreflectorized material that meets or exceeds
the minimum levels specified in the Manual on Uniform
Traffic Control Devices for Streets and Highways (2009 Edition
including Revisions 1 and 2), which is incorporated by
reference and made a part of this rule as published by the
Federal Highway Administration, United States Department
of Transportation, 400 7th Street SW, Room 3408, Washington,
DC 20590, website: https://mutcd.fhwa.dot.gov/pdfs/2009r1r2/
mutcd2009r1r2edition.pdf. This rule does not incorporate any
subsequent amendments or additions of this manual; and
(C) Be maintained in a reasonably clean condition and
replaced when the signs have been moderately impaired by
wear or damage.
(2) In those cases where the division determines that retroreflectorization will not perform effectively, the division may
require the use of appropriate illumination for the signs.
AUTHORITY: section 622.027, RSMo 2016.* This rule originally
filed as 4 CSR 265-8.018. Original rule filed May 2, 1991, effective
Dec. 9, 1991. Moved and amended: Filed March 9, 2018, effective
Oct. 30, 2018. Amended: Filed Sept. 8, 2023, effective April 30, 2024.
*Original authority: 622.027, RSMo 1985, amended 1993, 1995.