STATE PERMIT GUIDE

South Dakota: plan the permit work.

Check the published facts below. Fields still awaiting verification are clearly marked.

Plan a move through South Dakota Official permit information ↗

Dimensions & weight

General loaded width: 102 in
General limit; agricultural exceptions require separate review.
Verified 2026-09-19 · Official source · Width limitations
General loaded height: 168 in
General limit; special-load exceptions require separate review.
Verified 2026-09-19 · Official source · Height limitations
Configuration-specific length: Confirmation required
Gross combination weight: Confirmation required
Axle / bridge / tire limits: Confirmation required
Load overhang: Generally up to 3 ft front and 4 ft rear.
Reviewed against the cited official source; exceptions and permit conditions apply.
Verified 2026-09-19 · Official source · Overhang

Permits & costs

Single-trip permit: Route clearance and load capacity determine whether an application can be approved.
Reviewed against the cited official source; exceptions and permit conditions apply.
Verified 2026-09-19 · Official source · Permit application
Annual permit: Confirmation required
Validity: Confirmation required
Published lead time: Review commonly takes up to two working days; some larger or heavier loads take longer.
Reviewed against the cited official source; exceptions and permit conditions apply.
Verified 2026-09-19 · Official source · Single-Trip Oversize/Overweight Permit
Special / superload review: Confirmation required
State permit fee: $25 base plus applicable overweight charges. Verified 2026-09-19 · Official source · Single-Trip Oversize/Overweight Permit

Escorts & markings

Pilot cars / escorts: Review above 16 ft on interstates or 20 ft on state highways; route and lane encroachment can add escorts.
Reviewed against the cited official source; exceptions and permit conditions apply.
Verified 2026-09-19 · Official source · Escort Vehicles
Police escort: Confirmation required
Height pole: Confirmation required
Signs / flags / lights: Oversize loads need red/orange flags at least 18 inches square; placement depends on the load.
Reviewed against the cited official source; exceptions and permit conditions apply.
Verified 2026-09-19 · Official source · Warning flags and signs

When and where to move

Travel hours: Night travel depends on highway, dimensions, vehicle configuration, escorts and lighting.
Reviewed against the cited official source; exceptions and permit conditions apply.
Verified 2026-09-19 · Official source · Nighttime Operation
Weekend movement: Confirmation required
Holiday movement: Confirmation required
Seasonal restrictions: Confirmation required
Weather restrictions: Confirmation required
Local / toll jurisdictions: Confirmation required

Plan the details

Oversize & overweight permits: what shippers need to know →How to plan a multi-state oversize load →What makes a load oversize or overweight? →Pilot cars and escorts: when are they required? →How oversize permit costs are calculated →How to measure an oversize load before requesting permits →Oversize load travel hours, weekends and holidays →Route surveys, bridge clearances and permitted routes →State permits vs city and local permits →What can make an oversize permit invalid? →

Requirements and fees can change. Final permits, routes and movement requirements are determined by the applicable issuing authorities. State permits may not cover local or toll roads.