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Dillon Construction Update

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

Week of July 3:

  • Paving is planned to begin on downtown side streets.

  • Pavement removal to begin on Interstate 15 (I 15) with single-lane closures and traffic control in place.

  • No work is scheduled from July 1 to July 4. Have a happy Fourth of July!

Be prepared for delays before you leave, download MDT’s mobile app “MDT 511” or visit 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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