The end of daylight saving time brings a familiar adjustment for fleet managers and drivers. Turning clocks back an hour shifts daylight earlier, putting more late-afternoon routes and service calls in the dark. For work truck fleets, that makes “fall back” a good reminder to review schedules, visibility, and driver fatigue.

The adjustment affects more than the drive itself. Lighting at service stops, changing pavement conditions, driver sleep routines, and route schedules all deserve a closer look. These practical reminders, along with insights from AccuWeather Senior Meteorologist and Lead European Forecaster Tyler Roys, can help fleets prepare and adapt.

What Earlier Darkness Means for Fleets

Earlier sunrises can improve visibility for drivers whose shifts begin around daybreak. The benefit depends on when and where they work, so fleet managers should review which portions of their routes will actually gain daylight.

Sunset also arrives an hour earlier by the clock, putting more late-afternoon stops and return trips in darkness. Drivers may need to navigate familiar locations with less visibility, making pedestrians, entrances, and roadside activity harder to see.

“During the evening commute or early evening hours, it will be darker, making it harder to find homes,” Roys said.

That matters for service and delivery fleets whose drivers need to locate addresses, identify entrances, and safely pull into customer locations. Earlier darkness also overlaps with evening commuter traffic, adding another consideration when weather affects the route.

“When you combine extra traffic from the evening commute with any precipitation, travel will be slow going,” Roys said.

The return to standard time can also disrupt sleep routines. Fleet managers should check in about fatigue as drivers adjust, including those whose evening routes now take place after dark.

Watch the Pavement, Not Just the Air Temperature

A forecast that stays above freezing early in the evening does not tell the whole story about conditions drivers may encounter later. Roys recommends paying attention to pavement temperatures when assessing whether wet roads, loading areas, or customer lots could become icy.

“Pavement temperatures cool at a slower rate than the air temperature,” Roys explained.

Pavement that absorbed heat during the day may remain warmer than the air around sunset. Shaded locations, however, may have received less sunlight and could be cooler. Conditions can also change as the evening progresses, particularly when rain transitions to wintry precipitation.

“Even if the pavement temperature happens to be above freezing, if any rain happens to change over to any wintry precipitation, while it could initially melt, it could also refreeze during the event, leading to a thin layer of icy conditions,” Roys said.

Wind is another detail to consider. After a rainstorm, breezy conditions may help dry pavement as colder air moves in, limiting the moisture available to freeze, according to Roys. Fleet managers should consider those details together rather than relying on air temperature alone.

Add Deer and Wet Leaves to the Fall Safety Conversation

Earlier darkness is only part of the seasonal adjustment. Drivers may also encounter deer during dawn and dusk, including on return trips to the yard.

“Not only does the evening commute now happen around sunset or when it’s dark, you also have to worry about deer,” Roys said.

Roys noted that deer mating season generally runs from mid-October to mid-December, peaking around mid-November. For routes through areas with deer activity, that makes wildlife awareness another useful topic for driver reminders.

Fallen leaves also deserve attention, particularly where drivers park, unload, or step out of the cab.

“If leaves are on pavement and it rains, they will become slippery and make conditions slick on the roads or loading zones,” Roys said.

His practical recommendation for loading zones is straightforward: Remove accumulated leaves to help reduce that hazard before rain arrives.

Watch the Pavement, Not Just the Air Temperature

A forecast that stays above freezing early in the evening does not tell the whole story about conditions drivers may encounter later. Roys recommends paying attention to pavement temperatures when assessing whether wet roads, loading areas, or customer lots could become icy.

“Pavement temperatures cool at a slower rate than the air temperature,” Roys explained.

Pavement that absorbed heat during the day may remain warmer than the air around sunset. Shaded locations, however, may have received less sunlight and could be cooler. Conditions can also change as the evening progresses, particularly when rain transitions to wintry precipitation.

“Even if the pavement temperature happens to be above freezing, if any rain happens to change over to any wintry precipitation, while it could initially melt, it could also refreeze during the event, leading to a thin layer of icy conditions,” Roys said.

Wind is another detail to consider. After a rainstorm, breezy conditions may help dry pavement as colder air moves in, limiting the moisture available to freeze, according to Roys. Fleet managers should consider those details together rather than relying on air temperature alone.

Add Deer and Wet Leaves to the Fall Safety Conversation

Earlier darkness is only part of the seasonal adjustment. Drivers may also encounter deer during dawn and dusk, including on return trips to the yard.

“Not only does the evening commute now happen around sunset or when it’s dark, you also have to worry about deer,” Roys said.

Roys noted that deer mating season generally runs from mid-October to mid-December, peaking around mid-November. For routes through areas with deer activity, that makes wildlife awareness another useful topic for driver reminders.

Fallen leaves also deserve attention, particularly where drivers park, unload, or step out of the cab.

“If leaves are on pavement and it rains, they will become slippery and make conditions slick on the roads or loading zones,” Roys said.

His practical recommendation for loading zones is straightforward: Remove accumulated leaves to help reduce that hazard before rain arrives.

Practical Steps for the Fall Time Change

The return to standard time is a good opportunity to review how drivers handle darker routes, changing weather, and fatigue. A few practical steps can help maintain safety and productivity during the adjustment and throughout the darker months:

1. Reinforce Dusk and Evening Driving Practices. Remind drivers to adjust their speed for visibility, leave enough following distance, and watch for pedestrians, cyclists, and wildlife. Review familiar routes for locations where earlier darkness may make turns, addresses, entrances, or roadside activity harder to see.
2. Make Rest and Fatigue Reporting a Priority. Encourage consistent sleep routines before and after the time change. Drivers should know how to report fatigue and contact dispatch if they cannot safely continue. If drowsiness develops behind the wheel, they should pull over somewhere safe. A short nap may temporarily improve alertness, but it does not replace adequate sleep.
3. Check Visibility Equipment and Vehicle Safety Systems. Include headlights, brake lights, turn signals, mirrors, windshields, wipers, and defrosters in vehicle checks. Address dirty lenses, poor headlight aim, and visibility problems before the next shift. Keep braking systems properly maintained, and follow manufacturer guidance for inspecting advanced safety features on vehicles equipped with them.
4. Review Safety at Every Stop. Check lighting at customer locations, loading areas, and places where drivers park, back up, or step out of the cab. Remove wet leaves from loading zones and watch for wet surfaces that could freeze as temperatures fall. Make sure drivers have appropriate high-visibility gear and a way to report poorly lit or unsafe stops.
5. Check In With Drivers. Ask which stops have become harder to navigate and whether schedules leave enough time to work safely after sunset. Review reported concerns and available safety data to guide coaching and route changes. Make it clear that drivers should report fatigue, slick surfaces, or visibility problems before they lead to an incident.
6. Adjust Routes With Daylight and Weather in Mind. Where customer access and operating needs allow, consider scheduling stops with limited lighting during daylight hours. Check whether precipitation is expected to overlap with the evening commute, and allow time for slower travel. Account for driver rest and the entire route before moving start times earlier. Trading evening darkness for predawn driving may not solve the problem.
7. Look Beyond the Daily Forecast. Review when precipitation is expected to begin, end, or change type along the route, along with pavement temperatures where available. Roys pointed to AccuWeather’s MinuteCast, available through its app or website, as one tool dispatchers can use for short-term precipitation updates. Revisit conditions during the shift as weather develops, particularly when rain could transition to wintry precipitation.
8. Verify Clocks and Scheduling Systems. Check vehicle clocks, dispatch platforms, appointment reminders, and other systems that use local time. Confirm how each handles the time change, especially if routes cross time zones or serve areas that do not observe daylight saving time.

The time change is a useful reminder to check in with drivers about what gets harder after dark, from finding a customer’s driveway to navigating a wet loading area. Keep the conversation and the focus on driver safety going beyond the first week, and adjust as conditions change.

Editor’s Note: This article was originally published in November 2024 and updated in October 2026 with additional fleet safety guidance and insights from AccuWeather.