sentences:  A major interchange was planned but never completed on the east side of the Wheeling Tunnel.Upon merging with I-470, I-70 goes uphill towards Dallas Pike, West Virginia, This part of the road is called "Two Mile Hill", which is known locally for the many accidents at the bottom of the hill.I-70 has brought major development in Ohio County, the only county the route passes through in West Virginia, in the past few years.