Directs drivers to switch on headlights for the stated number of miles ahead, typically through a tunnel or low-visibility stretch.
No hand-held phone use by driver (R16-15a)
Move over or reduce speed for vehicles stopped on shoulder
Minor crashes, move vehicles from travel lanes
Lights on when using wipers
Lights on when raining
Turn on headlights
Check headlights
Begin daytime headlight section
End daytime headlight section
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