Driving at night presents unique risks that contribute to some of Michigan’s most serious crashes. Reduced visibility, fatigue, impaired driving, and higher travel speeds can all increase the likelihood of severe collisions after dark. Understanding these risks and what Michigan law requires can help drivers make safer decisions on Metro Detroit roads.

What the data shows about time of day and crash severity.

According to the Michigan State Police 2024 Statewide Traffic Crash Data Year End Report, the peak period for total crash volume in Michigan in 2024 was between 3 p.m. and 5:59 p.m., with 65,506 crashes recorded during that window. However, crashes that occur during late-night and early morning hours — while less frequent in total number — tend to involve higher speeds, greater impairment rates, and more severe outcomes. The 2024 Year End Report shows that the hours between midnight and 5:59 a.m. accounted for a disproportionate share of fatal crashes relative to overall traffic volume during those hours.

Michigan State Police crash data consistently identifies impaired driving, excessive speed, and failure to wear seatbelts as the leading contributing factors in fatal crashes — all of which are more prevalent during overnight hours than during daytime driving.

Why nighttime driving is more dangerous.

Reduced visibility is the most obvious factor. Even with functioning headlights, a driver’s ability to detect pedestrians, cyclists, debris, and stopped vehicles drops significantly after dark. Reaction times are also affected by fatigue — a factor that peaks during the hours between midnight and 6 a.m. due to the body’s natural circadian rhythm, as noted by the National Highway Traffic Safety Administration.

Major Metro Detroit roadways, including Mound Road, Van Dyke Avenue, Gratiot Avenue, and the I-94 and I-696 freeway corridors, continue carrying traffic well into the night, particularly on weekends. At those hours, the mix of drivers includes people returning from late events, shift workers, and impaired drivers, creating conditions where a single error in judgment can have catastrophic consequences.

What Michigan law requires at night.

Under MCL 257.684, Michigan drivers are required to use headlights from a half-hour after sunset to a half-hour before sunrise, and at any time when visibility is reduced to less than 500 feet due to weather, smoke, fog, or other conditions. Headlights must illuminate objects at least 100 feet ahead on low beam and at least 500 feet ahead on high beam, under MCL 257.686. Driving without proper lighting is a civil infraction and may be relevant to a crash investigation if reduced visibility contributed to a collision.

What this means if you were in a nighttime crash.

When a crash occurs late at night, the specific conditions at the time — lighting, speed, impairment, seatbelt use, and visibility — are all factors that investigators and attorneys examine closely. Whether those conditions give rise to legal claims against an at-fault driver depends on the facts established by the police report and any available physical or video evidence.

Michigan’s no-fault system provides PIP benefits for eligible medical expenses and wage loss regardless of fault. Whether additional claims may be available depends on the nature of the injuries and the facts established during the investigation. An attorney can evaluate those issues based on the available evidence.

If you were injured in a nighttime crash anywhere in Macomb, Wayne, or Oakland County, our team may be able to help. To speak with a Michigan personal injury attorney, contact us today.

Sources: