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Dillon Construction Update For The Week Of May 29

The Montana Department of Transportation (MDT), Helena Sand and Gravel, and Riverside Contracting anticipate working on the following, weather dependent:


Week of May 29:

  • Construction activities will pause for Memorial Day and resume on Tuesday, May 30th.

  • Bridge work continues over the Beaverhead River.

    • Traffic is reduced to one lane in each direction on Interstate 15 (I 15).

  • Concrete work occurs in the median of East Helena Avenue and on the east side of Atlantic Street, south of Sebree Street.


Week of June 5:

  • Bridge work continues over the Beaverhead River.

    • Traffic is reduced to one lane in each direction on I 15.

  • Concrete work wraps up in the median of East Helena Avenue and continues on the east side of Atlantic Street, south of Orr Street.

Be prepared for delays before you leave, download MDT’s mobile app “MDT 511” or visit 511mt.net and check your route. If you're driving and want to check in, pull safely off the road and dial 511. Tune in to local radio stations and watch for variable message signs along the route.



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