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SDDOT awards $1.34 million contract for centerline rumble stripes in Pierre region

South Dakota Department of Transportation Commission ยท June 11, 2026
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Summary

SDDOT approved awarding the centerline rumble stripes contract to Dakota Traffic Services (Sir Lines A Lot DBA) after staff reported a low bid of $1,338,000, about 12.6% above the engineer's estimate of $1,189,000.

The South Dakota Department of Transportation Commission approved awarding the centerline rumble stripes contract (project 5) to Sir Lines A Lot doing business as Dakota Traffic Services. Sam Weisgram told the commission the low bid was $1,338,000, which staff said was $149,000 (12.6%) above the engineer's estimate of $1,189,000, and recommended award.

"This project consists of installing centerline rumble stripes on several routes within the Pierre region," Weisgram said. The commission moved, seconded and voted to approve the award; no public input was recorded on the item.

Contracts will be routed and preconstruction scheduling will follow SDDOT practice.