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Allegheny Tunnel Transportation Improvement Project

The Allegheny Tunnel is located in Allegheny and Stonycreek Townships, Somerset County along the Pennsylvania Turnpike (I-70 / 76), a limited access highway, approximately 13 miles east of Exit 110 (Somerset, PA) and 23 miles west of Exit 146 (Bedford, PA).

For additional information on this project, please click on the appropriate button in the menu at left.

Environmental assessment of alternatives to address needs at the Allegheny Tunnel.

Preferred alternative is anticipated to be selected in the Summer of 2017.