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Southbound M-51 detour in Niles begins Wednesday

Fast facts:

  • M-51 will be reduced to one northbound lane with southbound traffic detoured starting May 29.
  • This is the next phase of the $27 million investment to rebuild M-51.
  • This entire project will replace the existing US-12/M-51 interchange with a signalized, at-grade intersection with indirect left turns.

COLOMA, Mich. - The Michigan Department of Transportation (MDOT) is set to move to the next phase of the $27 million investment to rebuild the US-12/M-51 interchange in Niles, Berrien County.

Starting Wednesday, May 29, weather permitting, M-51 will be reduced to one northbound lane north of US-12 with southbound M-51 traffic detoured on Oak Street, M-60, and US-12. The detour is expected to be in place for four weeks. M-51 will have one lane open in direction south of US-12.

Curb and sidewalk work has been completed along southbound M-51, new traffic signal foundations have been installed, and curb work has been completed along the new lanes of westbound US-12. Work being completed on M-51 under this new traffic pattern will include pavement removal, excavation, base replacement, drainage improvements, concrete patching, and paving operations. This work will be completed concurrently with the work along US-12.

Based on economic modeling, this investment is expected to directly and indirectly support 383 jobs.

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