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State guides / South Dakota

South Dakota oversize escort requirements

When a load over legal width, height, length or weight needs pilot cars or a police escort in South Dakota, on two-lane and divided highways.

From the state's published tables; some cases are set per permit

South Dakota escorts by load, two-lane and divided highways
LoadTwo-lane highwayDivided highwayRule
Width12'6" wideNoneNoneNo escort trigger at this size
Width14'6" wideNoneNoneNo escort trigger at this size
Width16'6" wideNone1 frontwidth >16' (interstate) — 1 escort — Black Hills-area state highways use a lower ~10' front-escort trigger not modeled here (route-specific). Highway Patrol escort is fully discretionary, case-by-case — no fixed dimensional trigger
Width18'6" wideNone1 frontwidth >16' (interstate) — 1 escort — Black Hills-area state highways use a lower ~10' front-escort trigger not modeled here (route-specific). Highway Patrol escort is fully discretionary, case-by-case — no fixed dimensional trigger
Height15'6" highNoneNoneNo escort trigger at this size
Height16'6" highNoneNoneNo escort trigger at this size
Length110' overallNoneNoneNo escort trigger at this size
Length130' overallNoneNoneNo escort trigger at this size
Weight200,000 lb grossNoneNoneNo escort trigger at this size

Whenever an escort is required

  • loads over ~200,000 lb GVW, wider than 12' while overweight, or taller than 16' get pulled into manual SDDOT/SDHP permit review.

Each example changes one dimension from a legal 8′6″ wide, 13′6″ high, 75′, 80,000 lb tractor-trailer. Real moves often combine several. “Set by permit” means South Dakota decides that case on the permit itself. Permits can add conditions of their own, so check yours before you move.

Price the whole South Dakota move in one quote.

Permits, escorts, police, curfews and fuel for every state on the route, with the source behind every line.

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