Any motor vehicle may be operated under the conditions specified in RCW 46.37.020 when equipped with two lighted lamps upon the front thereof capable of revealing persons and objects one hundred feet ahead in lieu of lamps required in RCW 46.37.220 or 46.37.240: PROVIDED, HOWEVER, That at no time shall it be operated at a speed in excess of twenty miles per hour.
RCW 46.37.260
Alternate road lighting equipment.
1977 ex.s. c 355 s 22; 1961 c 12 s 46.37.260
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.