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TBM Maintenance at the Grand Av Arts/Bunker Hill Station


Friday, January 19: The duration of this activity has been extended to last through February.


Regional Connect Constructors (RCC) will perform tunnel maintenance and construction activities from the Grand Av Arts/Bunker Hill station site to the tunnel’s terminus at the 4th St/Flower St intersection.

Work is anticipated to continue Friday, December 8, for approximately two months (except on holidays).

Tunnel mining will have the following shifts:

  • 5 am to 3 pm and 3 pm to 5 am, Monday through Saturday
  • Sundays shifts will be scheduled as needed


Activities include: Pressure washing TBM equipment, housekeeping, steel rail install to support TBM crossing, crane usage, locomotive usage, assembling segments, operation of hydraulic pumps & ventilation fans.

What to Expect

Activities will take place at the bottom of the excavated station. Backup alarms will be modified.

All work will be contained within the staging yard.

Program Notes

Eat, Shop, Play Local

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