MileCheckRest areas
Can you sleep at a rest area in South Dakota?
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Only to rest. Cars can rest up to 3 hours. Commercial drivers up to 10 hours.
Cars
Resting in a vehicle for up to three consecutive hours.
Trucks
Up to 10 consecutive hours for commercial drivers under federal hours-of-service rules.
Camping and tents
Camping at interstate rest areas is prohibited, and South Dakota's definition of camping includes staying in a vehicle.
Signs at a rest area can set a different limit. Follow the posted sign. Turnpike and toll-road service plazas often have their own rules.
Source
SDCL 31-7-15, 31-7-16 and 31-7-17. Read October 15, 2026. This page summarizes the rule. It is not legal advice.