Sylvania Ave in Nelsonville CLOSED at SR 78 Wed, 8/7/13, for 7 days for road alignment due to by-pass construction August 2, 2013nelsonvillecity The City of Nelsonville announces that Sylvania Avenue will be closed at State Route 78 beginning Wednesday, August 7, 2013, for seven (7) days for new road alignment due to by-pass construction. Please avoid the area. Share this:TwitterFacebookLike Loading... Related