When utility or public utility vehicles are parked, stopped or standing at the site of work as described in Section 22512, warning devices shall be displayed as follows:

(a) During daylight warning devices shall consist of either:

Terms Used In California Vehicle Code 25301

  • Darkness: is a ny time from one-half hour after sunset to one-half hour before sunrise and any other time when visibility is not sufficient to render clearly discernible any person or vehicle on the highway at a distance of 1,000 feet. See California Vehicle Code 280
  • Highway: is a way or place of whatever nature, publicly maintained and open to the use of the public for purposes of vehicular travel. See California Vehicle Code 360
  • traffic: includes pedestrians, ridden animals, vehicles, street cars, and other conveyances, either singly or together, while using any highway for purposes of travel. See California Vehicle Code 620
  • vehicle: is a device by which any person or property may be propelled, moved, or drawn upon a highway, excepting a device moved exclusively by human power or used exclusively upon stationary rails or tracks. See California Vehicle Code 670

A warning flag or barricade striping on the front and rear of the vehicle.

A warning flag, sign, or barrier on the highway not more than 50 feet in advance of the vehicle and not more than 50 feet to the rear thereof, except that in zones where the speed limit is in excess of 25 miles per hour the 50-foot distance may be increased up to 500 feet from the vehicle as circumstances may warrant.

(b) During darkness the warning devices shall consist of either:

One or more flashing amber warning lights on the vehicle giving warning to approaching traffic from each direction.

A warning light, flare, fusee, or reflector on the highway not more than 50 feet in advance of the vehicle and not more than 50 feet to the rear thereof, except that in zones where the speed limit is in excess of 25 miles per hour the 50-foot distance may be increased up to 500 feet from the vehicle where circumstances may warrant.

(c) The provisions of subdivision (a) or (b) do not prevent the display of both types of the warning devices during daylight or darkness.

(d) During either daylight or darkness, no warning device is necessary if the vehicle is equipped with the flashing warning lights visible to approaching traffic from each direction as provided in subdivision (b).

(Amended by Stats. 1961, Ch. 653.)