sentences:  In March 1995, a hole (from a former coal mine) opened up on the eastbound side of I-70 in Guernsey County near Old Washington and caused traffic to be rerouted onto US 40 between Old Washington and Cambridge for several months.The portion of I-70 in West Virginia crosses the Ohio River at Wheeling and runs through the Wheeling Tunnel.I-70 has only one through lane in each direction at the tunnel.