School bus sidelamps shall be installed as follows:
(a) Location. Two lamps shall be installed on each side, one toward the front and one toward the rear, with the front sidelamp as near as practicable to the front wheel. A third lamp may be installed near the center on buses 9.1 m (30 ft) or more in length.(b) Spacing. Lamps on each side shall be as far apart as practicable and no closer together than 183 cm (72 in.).(c) Height. All lamps on one side shall be at the same level, not lower than 61 cm (24 in.) nor higher than 107 cm (42 in.).(d) Width. The lamps shall be installed so as not to exceed a total vehicle width of 2.44 m (96 in.). Installations that cause buses less than 2.03 m (80 in.) wide to equal or exceed 2.03 m (80 in.) will make necessary the installation of clearance and sidemarker lamps.(e) Pilot Indicator. The system shall have an amber pilot indicator that is visible to the bus driver in his normal driving position and that is lighted when the sidelamps are lighted.Cal. Code Regs. Tit. 13, § 695
Note: Authority cited: Sections 25102.5 and 26103, Vehicle Code. Reference: Sections 24012, 25102.5, and 26103, Vehicle Code.