Sioux Falls - S.D. Highway 42 and Six Mile Road Intersection

Commuter Route Information:
  • Arrowhead Parkway will remain open to one lane in each direction for most of the construction project.
  • Six Mile Road will be closed for approximately 2 months during the summer of 2022. Traffic will be detoured to Veterans Parkway.
  • Arrowhead Parkway will be closed east of Six Mile Road for approximately 3 months in late summer or early fall 2022. Traffic will be detoured to 26th Street.
  • Arrowhead Parkway will be closed west of Six Mile Road for approximately 1 week to build the transition between the new and old alignment of Arrowhead Parkway. The schedule for this closure has not yet been determined.

Project Summary: 

This project will reconstruct and widen Arrowhead Parkway from E. 10th Street to the Willow Run Golf Course entrance, and also reconstruct, widen, and realign Six Mile Road to cross Arrowhead Parkway at a safer angle. Improvements include new water main, sanitary sewer, storm drainage, street lights, traffic signals, curb and gutter, and concrete surfacing.

Project Timeline: 

Estimated Completion Fall of 2023.

Project Updates: 

Project Sequence: 
Arrowhead Parkway will have two lanes paved and open to traffic by November 23, 2022.
Arrowhead Parkway will have all the lanes paved and open to traffic by August 11, 2023.
Roadway lighting, traffic signal system, sidewalk and installation of trees and plants will be completed by the project's overall completion date of September 29, 2023.

Work Completed: 
Phase 1 of the project is completed with traffic traveling on the new westbound lanes.  Signals at Hwy 42/6 Mile Road is complete and roadway lighting on phase 1 is operational.

Anticipated work to be completed: The contractor will continue with roadway lighting work at the 10th St. Intersection as weather allows.


News Articles:

July 19, 2022: East 10th Street closure coming in Sioux Falls (


Project Press Releases: 

August 17, 2022: SIOUX FALLS, S.D. – The South Dakota Department of Transportation (SDDOT) says that Six Mile Road at the S.D. Highway 42 (Arrowhead Parkway) intersection will be opened to traffic from 26th Street to Madison Street beginning Thursday, Aug. 18, 2022. Read More.

October 12, 2022: The South Dakota Department of Transportation (SDDOT) says that S.D. Highway 42 (Arrowhead Parkway) will be closed to traffic from the North Hein Avenue intersection to Six Mile Road beginning on Monday, Oct. 17, 2022.

July 19, 2022

July 18, 2022

July 5, 2022

June 21, 2022

May 10, 2022

Project Photos:

September 2022:

August 2022:

July 2022:

June 2022:

Grading work (May 2022)


Project Contract Amount:

$18 Million


Project Contacts: 

Contractor: T&R Contracting Inc. 

SDDOT: Steven Neumeister (605) 367-4970



 PCN 05C2, PCN 05C6, PCN 06YQ

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