(1) Every authorized emergency vehicle shall, in
addition to any other equipment and distinctive marking required
by this chapter, be equipped with at least one lamp capable of
displaying a red light visible from at least five hundred feet in
normal sunlight and a siren capable of giving an audible signal.
(2) Every school bus and private carrier bus shall, in
addition to any other equipment and distinctive markings required
by this chapter, be equipped with a "stop" signal upon a
background not less than fourteen by eighteen inches displaying
the word "stop" in letters of distinctly contrasting colors not
less than eight inches high, and shall further be equipped with
signal lamps mounted as high and as widely spaced laterally as
practicable, which shall be 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 and these lights shall have sufficient intensity to be
visible at five hundred feet in normal sunlight.
(3) Vehicles operated by public agencies whose law
enforcement duties include the authority to stop and detain motor
vehicles on the public highways of the state may be equipped with
a siren and lights of a color and type designated by the state
patrol for that purpose. The state patrol may prohibit the use
of these sirens and lights on vehicles other than the vehicles
described in this subsection.
(4) The lights described in this section shall not be
mounted nor used on any vehicle other than a school bus, a
private carrier bus, or an authorized emergency or law
enforcement vehicle.
(5) The use of the signal equipment described in this
section and RCW 46.37.670, except the signal preemption devices
used by public transit vehicles and department of transportation,
city, or county maintenance vehicles that are not used in
conjunction with emergency equipment, shall impose upon drivers
of other vehicles the obligation to yield right-of-way and stop
as prescribed in RCW 46.61.210, 46.61.370, and 46.61.350.
[2005 c 183 § 8; 1993 c 401 § 2; 1987 c 330 § 710; 1985 c 331 § 1; 1982 c 101 § 1; 1971 ex.s. c 92 § 1; 1970 ex.s. c 100 § 5; 1965 ex.s. c 155 § 53; 1963 c 154 § 14; 1961 c 12 § 46.37.190. Prior: 1957 c 66 § 1; 1955 c 269 § 19.]
NOTES:
Rules of court: Monetary penalty schedule -- IRLJ 6.2.
Construction -- Application of rules -- Severability -- 1987 c 330: See notes following RCW 28B.12.050.