61-9-402. Audible and visual signals on police and emergency vehicles and on-scene command vehicles. (1) A police vehicle must be equipped with a siren capable of giving an audible signal and may be equipped with alternately flashing or rotating red or blue lights as specified in this section. The use of signal equipment as described in this section imposes upon the drivers of other vehicles the obligation to yield right-of-way or to stop and to proceed past the signal or light only with caution and at a speed that is no greater than is reasonable and proper under the conditions existing at the point of operation.
     (2) An authorized emergency vehicle must be equipped:
     (a) with a siren and an alternately flashing or rotating red light as specified in this section; and
     (b) with signal lamps mounted as high and as widely spaced laterally as practicable that are capable of displaying to the front two alternately flashing red lights located at the same level and to the rear two alternately flashing red lights located at the same level. These lights must have sufficient intensity to be visible at 500 feet in normal sunlight.
     (3) A bus used for the transportation of school children must be equipped with signal lamps mounted as high and as widely spaced laterally as practicable, displaying to the front two red and two amber alternating flashing lights and to the rear two red and two amber alternating flashing lights. These lights must have sufficient intensity to be visible at 500 feet in normal sunlight. The warning lights must be as prescribed by the board of public education and approved by the department.
     (4) A police vehicle and an authorized emergency vehicle may, and an emergency service vehicle must, be equipped with alternately flashing or rotating amber lights as specified in this section. The use of signal equipment as described in this section imposes upon the drivers of other vehicles the obligation to yield right-of-way or to stop and to proceed past the signal or light only with caution and at a speed that is no greater than is reasonable and proper under the conditions existing at the point of operation.
     (5) Blue, red, and amber lights required in this section must be mounted as high as and as widely spaced laterally as practicable and capable of displaying to the front two alternately flashing lights of the specified color located at the same level and to the rear two alternately flashing lights of the specified color located at the same level or one rotating light of the specified color, mounted as high as is practicable and visible from both the front and the rear. These lights must have sufficient intensity to be visible at 500 feet in normal sunlight. Except as provided in 61-9-204(6), only police vehicles as defined in 61-1-118 may display blue lights, lenses, or globes.
     (6) A police car and authorized emergency vehicle may be equipped with a flashing signal lamp that is green in color, visible from 360 degrees, and attached to the exterior roof of the vehicle for purposes of designation as the on-scene command and control vehicle in an emergency or disaster. The green light must have sufficient intensity to be visible at 500 feet in normal sunlight. Only the on-scene command and control vehicle may display green lights, lenses, or globes.
     (7) Only a police vehicle or an authorized emergency vehicle may be equipped with the means to flash or alternate its headlamps or its backup lights.

     History: En. Sec. 129, Ch. 263, L. 1955; amd. Sec. 1, Ch. 40, L. 1959; amd. Sec. 1, Ch. 250, L. 1965; amd. Sec. 4, Ch. 153, L. 1975; R.C.M. 1947, 32-21-132; amd. Sec. 1, Ch. 361, L. 1985; amd. Sec. 1, Ch. 503, L. 1985; amd. Sec. 116, Ch. 370, L. 1987; amd. Sec. 27, Ch. 431, L. 1997.