$14 million Mini Mousehole project in Truckee wraps up | SierraSun.com

$14 million Mini Mousehole project in Truckee wraps up

Special to the Sun

Work first began in March 2016 on the project to create a pedestrian/bicycle railroad undercrossing east of the existing Mousehole tunnel.

TRUCKEE, Calif. — The town of Truckee and Caltrans last week gathered for a ribbon-cutting ceremony to mark completion of the $14 million Highway 89 Undercrossing Improvement Project, nicknamed the "Mini-Mousehole."

The tunnel structure provides a pedestrian/bicycle path through the Union Pacific railroad embankment just southeast of downtown Truckee.

Because the railroad is in continuous use, the project used a unique "road header" machine to excavate the tunnel as the concrete tunnel structure was inserted into the hole dug into the railroad embankment.

Over 900 cubic yards of soil and rock was removed. Portal walls, pathway paving and a Truckee Tahoe Regional Transit shelter completed the project.

The construction of the pedestrian/bicycle tunnel will not only provide a safer route for pedestrians and bicyclists along the heavily traveled Highway 89 between Truckee and Tahoe City, it will encourage non-vehicle, multi-modal forms of transportation benefiting the Tahoe Basin-Truckee environment.

Visit the town of Truckee website at townoftruckee.com for information and to view the time-lapse construction video of the project.

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This article was submitted by Caltrans. Visit tahoeroads.com to learn more.