1. (a) The front and/or rear bumper may be marked diagonally forty-five degrees (45˚) down to the centerline of the pavement with two and one-fourth inch (2 1/4”) wide strips of noncontrasting retroreflective material.

2. (b)

   1. (1) The rear of the bus body shall be marked with strips of retroreflective National School Bus Yellow (NSBY) material to outline the perimeter of the back of the bus using material which conforms with the requirements of FMVSS 131, Table 1.
   2. (2) The perimeter marking of rear emergency exits per FMVSS 217 and/or the use of retroreflective “SCHOOL BUS” signs partially accomplishes the objective of this requirement.
   3. (3) To complete the perimeter marking of the back of the bus, strips of at least one inch (1”) retroreflective NSBY material shall be applied horizontally above the rear windows and above the rear bumper, extending from the rear emergency exit perimeter, marking outward to the left and right rear corners of the bus.
   4. (4) Vertical strips shall be applied at the corners connecting these horizontal strips.
3. (c) “SCHOOL BUS” signs, if not of lighted design, shall be marked with retroreflective NSBY material comprising background for lettering of the front and/or rear “SCHOOL BUS” signs.
4. (d) Sides of the bus body shall be marked with at least one and three-fourths-inch retroreflective NSBY material, extending the length of the bus body and located (vertically) between the floor line and the beltline.
5. (e) Signs, if used, placed on the rear of the bus relating to school bus flashing signal lamps or railroad stop procedures may be of retroreflective material.

Codification Notes: “FMVSS” means Federal Motor Vehicle Safety Standards.