Sec.
22-201.2
“If a driver of a vehicle on a highway operates the vehicle’s
windshield wipers for a continuous period of time because of impaired
visibility resulting from unfavorable atmospheric conditions, the driver shall
light the vehicle’s headlamps.” In other
words, if it’s raining or snowing, the vehicle’s headlights should be on while
driving.
Enforcement
is a secondary action and the fine is not to exceed $25.