South Dakota oversize load rules
Legal limits, pilot car requirements, travel restrictions, superload thresholds and permit fees for oversize and overweight loads in South Dakota.
Legal limits without a permit
| Width | 8′6″ |
|---|---|
| Height | 14′ (15′ for baled hay) |
| Length | Set by configuration in the Motor Carrier Handbook Table 7; measured on the vehicle, excluding overhang · 3′ front / 4′ rear overhang |
| Weight | 80,000 lb on Interstate (annual permit allows more); other highways by bridge formula and axle limits (20,000 single, 34,000 tandem) |
What Pro adds for South Dakota
- 2 escort rules with counts by width, height, length and road type
- 3 travel restrictions: curfews, night, weekends, holidays
- Superload thresholds and conditions
- 4 published fee lines and permit lead time
- Lane routing with miles per state and a cost breakdown
Escort (pilot car) requirements
- 2 width, height and length thresholds with the escort count for each
- Overhang and route-type conditions
Travel restrictions
- 3 restrictions: curfews, night travel, weekends and holidays
- Which ones apply to a given load size
Superloads
- Exact thresholds and what the state requires past them
- Lead times, route surveys and police escort conditions
Permit fees
- 4 published fee lines with links to the fee schedule
- Validity periods and add-on charges
Common questions
When does South Dakota require an escort?
Answer available to members. Start free or sign in.
Can oversize loads move at night in South Dakota?
Answer available to members. Start free or sign in.
How much is a South Dakota oversize permit?
Answer available to members. Start free or sign in.
Sources
- SD Motor Carrier Handbook, Chapter 6: Vehicle Permits (escorts, night travel, fees)
- SD Motor Carrier Handbook, Chapter 5: Vehicle Size Regulations
- SD Motor Carrier Handbook, Chapter 5: Vehicle Weight Regulations
- SD Highway Patrol permitting information
Planning reference. Permits carry their own conditions, and city and county roads have separate rules. Confirm with the South Dakota Highway Patrol Permit Center (Pierre) before moving a load. Found an error? Report it.
Other states: Alabama · Arizona · Arkansas · California · Colorado · Connecticut · Delaware · Florida · Georgia · Idaho · Illinois · Indiana · Iowa · Kansas · Kentucky · Louisiana · Maine · Maryland · Massachusetts · Michigan · Minnesota · Mississippi · Missouri · Montana · Nebraska · Nevada · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Ohio · Oklahoma · Oregon · Pennsylvania · Rhode Island · South Carolina · Tennessee · Texas · Utah · Vermont · Virginia · Washington · West Virginia · Wisconsin · Wyoming