California Code of Regulations
Title 13 - Motor Vehicles
Division 2 - Department of the California Highway Patrol
Chapter 6.5 - Motor Carrier Safety
Article 9 - Additional Equipment Requirements for School Buses
Section 1288.1 - Warning Lamp Hoods

School bus warning lamps, required by section 25257 of the Vehicle Code, manufactured after January 1, 1973, shall be used in conjunction with lens hoods. The top of the hood shall project at least 120 mm (5 in.) in front of the foremost part of the lens. The sides of the hood at a vertical plane 60 mm (2.5 in.) ahead of the lens shall extend down to 15 ± 5 deg above the horizontal place, measured from the lens center as shown in Figure 1. The shape of the hood may differ from that shown in Figure 1 provided it meets the specified dimensions. Warning lamps may not be transferred to another school bus unless used in conjunction with lens hoods.

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1. New section filed 4-2-81; effective thirtieth day thereafter (Register 81, No. 14).
2. Editorial correction adding text inadvertently omitted in printing (Register 91, No. 18).

Note: Authority cited: Sections 26103 and 34508, Vehicle Code. Reference: Sections 24012, 26103 and 34508, Vehicle Code.