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Slow-moving Vehicles

They can take longer to get up to speed when entering traffic. Large trucks, bicycles, and some cars lose speed on long or steep hills. Some slow-moving vehicles have an orange and red triangle on their back, such as road maintenance vehicles, which usually travel at 25 mph or less.

Bulldozer with orange-red "slow vehicle" triangle.
An example of a slow-moving vehicle.

Other types of slow-moving motorized vehicles that may operate on public roads include:

Adjust your speed to share the road with these vehicles.