In addition to the lighting, sign, and flag requirements in Sections 25270, 27904, 27904.5, and 28100, a pilot car shall meet all of the following requirements:
(a) Be a vehicle not less than 60 inches in width.
(b) Be equipped with all of the following:
(1) One STOP/SLOW paddle.
(2) One orange vest, shirt, or jacket.
(3) One red hand flag (24 inches square).
(4) One two-way radio communication device.