The railroad or private car owner reporting mark, the car number, and built date shall be stenciled, or otherwise displayed, in clearly legible letters and numbers not less than seven inches high, except those of the built date which shall not be less than one inch high:

(a) On each side of each railroad freight car body; and

(b) In the case of a tank car, in any location that is visible to a person walking at track level beside the car.

(a) Each restricted railroad freight car that is described in § 215.205(a) of this part shall be stenciled, or marked—

(1) In clearly legible letters; and

(2) In accordance with paragraphs (b) and (c) of this section.

(b) The letter “R” shall be—

(1) Placed immediately below or to the right of the car number;

(2) The same color as the reporting mark; and

(3) The same size as the reporting mark.

(c) The following terms, to the extent needed to completely indicate the basis for the restricted operation of the car, shall be placed on the car following the symbol “R” in letters not less than one inch high:

(1) Age.

(2) Coupler.

(3) Draft.

(4) Bearings.

(5) Truck.

(6) Underframe.

(7) Wheels.

(8) Yoke.

(a) Maintenance-of-way equipment (including self-propelled maintenance-of-way equipment) described in § 215.3(c)(3) shall be stenciled, or marked—

(1) In clearly legible letters; and

(2) In accordance with paragraph (b) of this section.

(b) The letters “MW” must be—

(1) At least 2 inches high; and

(2) Placed on each side of the car.