ALEXANDRIA, VA – You closed your laptop, you left your office and walked out to your car Monday early evening. It hits you. It is growing dark at 5:00 pm. It is the day after the clocks turned back, plunging commuters into darkness.

The week of the time change is a particularly challenging one on the roads. Commuters must adjust to that sudden shift to a darker rush hour. Everyone is commuting in the dark, and that includes bicyclists and pedestrians. Typically, the region sees an increase in conflicts involving motorists and those on foot, bicycle and scooter in this week of Daylight Savings Time.

A July 2025 study , published in the Journal of Safety Research investigated fatal crashes in the United States in the five weeks before and after daylight saving time. It found fatal p

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