U.S. Federal Route 40 runs east-west across Northern Belmont County. This runs along Interstate 70 across much of Belmont County. U.S. Rt. 40 passes through the following towns in Belmont County. Hendrysburg Morristown St. Clairsville
Blane Lansing
Wolfhurst
Bridgeport
U.S. Rt. 40 is multi-plexed in Belmont County. Interstate 70, from the Belmont/Guernsey County Line to near Morristown.
Ohio State Route 9, at St. Clairsville. U.S. Rt. 250, at Bridgeport.
WB I-70/U.S. Rt. 40 west of OH St Rt 800. WB I-70/U.S. Rt. 40 west of OH St Rt 149. EB I-70/U.S. Rt. 40 near Hendryburg. A BGS on EB I-70/U.S. Rt. 40. A BGS on EB I-70. A BGS on EB I-70. A BGS on WB I-70. A guide marker on WB U.S. Rt. 40. Another BGS on EB I-70 at I-470. A BGS on WB I-70. A BGS on WB I-70. A guide marker near St. Clairsville. WB U.S. Rt. 40 near Brockview. WB U.S. Rt. 40 near DuBois. A set of guide markers in Bridgeport.