As used in this section, a "slow-moving vehicle" means any of the following:
The Director is authorized to specifically exclude any motor vehicle from the requirements of this section.
Any slow-moving vehicle using the public highways of the District at any time during the day or night shall display a slow-moving vehicle emblem, as set forth in § 738.4.
A slow-moving vehicle emblem shall consist of a fluorescent yellow-orange triangle with a dark red reflective border conforming, insofar as practical, to standard ASAE S276.2 (revised March 1967) adopted by the American Society of Agricultural Engineers.
The use of the emblem shall be in addition to any other lighting devices, flags, or other equipment required by law.
The use of an emblem in any manner or for any purpose other than as provided by this section is prohibited.
Every school bus registered in the District of Columbia shall bear the words "SCHOOL BUS" in black letters at least eight inches (8 in.) high on both front and rear of the body or on signs attached to the bus; Provided, that the lettering shall be at least four inches (4 in.) high in the case of school buses designed to carry fifteen (15) or fewer passengers.
Lettering shall be placed as high as possible without impairment of its visibility.
Lettering shall conform to "Series B" of Standard Alphabets for Highway Signs promulgated by the U.S. Department of Transportation as in effect on September 1, 1970.
School buses shall have the words "STOP ON RED SIGNAL" painted on the rear of the bus or on signs attached thereto in black letters at last eight inches (8 in.) high; Provided, that the lettering shall be at least four inches (4 in.) high in the case of school buses designed to carry fifteen (15) or fewer passengers. The word "STOP" by itself shall not be used.
A school bus or multi-purpose school vehicle shall bear on its sides only signs and lettering approved by the Director.
School buses shall be painted national school bus chrome, including body, hood, cowl, and fenders, according to specifications available from the General Services Administration (Federal Standard No. 595) as in effect on September 1, 1970. Rear bumpers, lettering, and body trim, if used, shall be black enamel.
D.C. Mun. Regs. tit. 18, r. 18-739