(1) No person shall drive a vehicle on a highway at a speed greater than is reasonable and prudent under the conditions and having regard to the actual and potential hazards then existing. In every event speed shall be so controlled as may be necessary to avoid colliding with any person, vehicle or other conveyance on or entering the highway in compliance with legal requirements and the duty of all persons to use due care.

(2) Except when a special hazard exists that requires lower speed for compliance with subsection (1) of this section, the limits specified in this section or established as hereinafter authorized shall be maximum lawful speeds, and no person shall drive a vehicle on a highway at a speed in excess of such maximum limits.

(a) Twenty-five miles per hour on city and town streets;

(b) Fifty miles per hour on county roads;

(c) Sixty miles per hour on state highways.

The maximum speed limits set forth in this section may be altered as authorized in RCW 46.61.405, 46.61.410, and 46.61.415.

(3) The driver of every vehicle shall, consistent with the requirements of subsection (1) of this section, drive at an appropriate reduced speed when approaching and crossing an intersection or railway grade crossing, when approaching and going around a curve, when approaching a hill crest, when traveling upon any narrow or winding roadway, and when special hazard exists with respect to pedestrians or other traffic or by reason of weather or highway conditions.

Rules of court: Monetary penalty schedule—IRLJ 6.2.

Saving of existing orders, etc., establishing speed limits—1963 c 16: "This act shall not repeal or invalidate existing orders and resolutions of the state highway commission or existing resolutions and ordinances of local authorities establishing speed limits within their respective jurisdictions." [ 1963 c 16 s 7. Formerly RCW 46.48.016.]