South Dakota Frost Laws, Seasonal Load Weight and Speed Restrictions – 2021

2021 Spring Load Restrictions.

PIERRE, S.D. – Effective at 9 a.m. CST, March 1, 2021, Spring Load Limit Restrictions will apply to the road segment(s) and at the indicated weight limits:

A spring load restriction report is usually issued in advance of any major load restriction change. This report is issued for guidance only and does not take precedence over load restriction signs in place.

For further information or a copy of a Spring Load Restriction Map, please contact the DOT at 605-773-3571. Spring Load Limit Information may also be viewed at

The effective date of the load restrictions is determined by weather and road conditions.

South Dakota DOT Spring Load Limits:

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