3-D scanning of Zion Tunnel continues, closure schedule updated

Entrance to the Zion-Mount Carmel Highway Tunnel, Zion National Park, Utah, date not specified | Photo courtesy of Zion National Park, St. George News

SPRINGDALE –  Zion National Park is continuing a project using a digital 3-D scanner to map the inside of the Zion-Mount Carmel Highway Tunnel to assess its condition. Visitors through the tunnel should expect 20- to 30-minute delays due to tunnel closures on weekday mornings through March 27.

The tentative project schedule is as follows:

  • Through March 20  From 8-10 a.m., the tunnel will be closed for up to 25 minutes at a time
  • March 23-27 – The scanning may be finished by this time, but if not, it will continue on the same 8-10 a.m. schedule as the week before.

The park’s cultural resources staff leased the 3-D laser scanners in order to create a digital 3-D model of the tunnel. Using this model, the park will be able to document the tunnel construction materials and methods in a way that would be impossible through any other means without closing the tunnel for extensive periods of time.

The digital 3-D model of the tunnel may then be used to determine the condition of the tunnel, assess any damage, obtain measurements of tunnel elements, and assist in park planning.

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