Friday's groundbreaking will occur at the Sandcastle Waterpark which is closed for the season. The work will require utility poles to be moved. That work must be done, and electricity restored, by the time the park in the Pittsburgh suburb of Homestead reopens late next spring.
Once the final mile is complete, the Great Allegheny Passage will offer an uninterrupted path to Maryland. That's where the Great Allegheny Passage links up with the Chesapeake & Ohio Canal Towpath, which stretches to Washington, D.C.