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Idaho Springs Tunnel

Idaho Springs, CO 80452

Constructed in 1961. This twin bore tunnel was built to avoid routing I-70 around a sharp and narrow bend in Clear Creek. The original alignment hugged the base of the hill and crossed Clear Creek.

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Idaho Springs Tunnel
Idaho Springs Tunnel. View is to the east. Note the old alignment turning to the right at the tunnel entrance. Postcard ca. 1950.

Idaho Springs Tunnel
Idaho Springs Tunnel. 1964 postcard.

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Last updated: 2010-03-28 21:17:18

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