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MDT Roadwork – Lake Helena Drive Starting the Week of September 27

The Montana Department of Transportation (MDT) and Helena Sand and Gravel will be making roadway improvements to Lake Helena Drive in Lewis and Clark County. Construction is scheduled to begin the week of September 27, 2021.
The project begins at the intersection of East Main Street and Lake Helena Drive at RP 0.0. It continues for approximately 0.5 miles north, ending just south of the intersection of Lewis Street and Lake Helena Drive. Construction includes milling and paving to improve the surface, pavement marking and signage will also be upgraded.
Milling, hauling, and paving operations are anticipated to be completed in 3 days, depending on the weather, other work will be completed by the end of October.

Road closure dates will be posted when available.

  • Work will occur 7:00 am to 7:00 pm, Monday through Friday.
  • Delays of up to 15 minutes may be encountered.
  • Expect single-lane traffic on Lake Helena Drive controlled by signals and/or flaggers.
  • Part of this work will require full closure of Lake Helena Drive between the hours of 9:00 am and 3:00 pm, daily. Lewis Street will remain open during these times.
  • Expect reduced speeds. Please use caution through work zones, and watch for workers on the roadway and shoulder, and vehicles entering and exiting the roadway.
Overhead view of Lake Helena Drive with signage indicators for closure.
Click or tap image for a larger view.