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Commission approves $1.34M centerline rumble‑stripe program for Pierre region

South Dakota Transportation Commission · June 11, 2026
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Summary

A $1,338,171.60 contract to install centerline rumble stripes across multiple Pierre-region counties was awarded to SIR LINES‑A‑LOT (DBA Dakota Traffic Services) and approved unanimously by commissioners on June 11.

The South Dakota Transportation Commission approved a $1,338,171.60 contract with SIR LINES‑A‑LOT, LLC (doing business as Dakota Traffic Services) for centerline rumble stripes in the Pierre region. The bid listing covers numerous counties including Bennett, Corson, Dewey, Gregory, Hughes, Jones, Lyman, Mellette, Oglala Lakota, Potter, Stanley, Sully, Todd, Tripp and Ziebach.

Commissioner Don Roby moved to approve the bid and Commissioner Mike Vehle seconded; the motion carried with unanimous aye votes recorded by roll call. The project is intended as a safety treatment along specified regional corridors and was presented by DOT project staff during the bid summary.