Question: The highway through the Ridge and Valley Province ends at interchange?

U.S. Route 522 (US 522) is a part of the U.S. Highway System that runs from Powhatan, Virginia to Selinsgrove, Pennsylvania.  In West Virginia, the U.S. highway runs 19.0 mi from the Virginia state line near Ridge north to the Maryland state line at the Potomac River in Hancock just south of Hancock, Maryland.  US 522 passes through Ridge and Valley Province of the Appalachian Mountains in the Eastern Panhandle of West Virginia.  The portion of the U.S. highway in West Virginia serves to connect Winchester with Hancock via Berkeley Springs, the county seat of Morgan County.  US 522 is part of the National Highway System for its entire length in West Virginia. <SEP> Pennsylvania Route 75 (PA 75) is a 71.2 mi north–south state highway located in central Pennsylvania.  The northern terminus is at an interchange with U.S. Route 22 (US 22) and US 322 northeast of Port Royal.  The southern terminus is at the Mason–Dixon line in Montgomery Township, where the road continues into Maryland as Maryland Route 494 (MD 494).  PA 75 is a two-lane undivided road that passes through the Ridge-and-Valley Appalachians in Franklin and Juniata counties.  The route heads north from the Maryland border in Franklin County to Mercersburg, where it runs concurrent with PA 16 and PA 416.  From Mercersburg, PA 75 heads north and crosses US 30 in Fort Loudon before it runs northeast through a long valley, where it has an interchange with the Pennsylvania Turnpike (Interstate 76 or I-76) in Willow Hill.  The route turns north and heads into Juniata County, where it continues through another valley.  PA 75 passes through Port Royal and crosses the Juniata River before it comes to its terminus at US 22/US 322. <SEP> U.S. Route 522 (US 522) is a part of the U.S. Highway System that runs from Powhatan, Virginia to Selinsgrove, Pennsylvania.  In Pennsylvania, the U.S. highway runs 127.5 mi from the Maryland state line near Warfordsburg north to its northern terminus at US 11 and US 15 in Selinsgrove.  US 522 passes through the Ridge and Valley Province of the Appalachian Mountains of central Pennsylvania, connecting Hancock, Maryland on the Potomac River with McConnellsburg, Mount Union, Lewistown, Middleburg, and Selinsgrove on the Susquehanna River.  The U.S. highway is part of the National Highway System along its concurrency with Interstate 70 (I-70) from the Maryland state line to Warfordsburg and from US 522's interchange with the Pennsylvania Turnpike (I-76) to Selinsgrove. <SEP>  They form a broad arc between the Blue Ridge Mountains and the Appalachian Plateau physiographic province (the Allegheny and Cumberland Plateaus). The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian division and are also a belt within the Appalachian Mountains extending from southeastern New York through northwestern New Jersey, westward into Pennsylvania and southward into Maryland, West Virginia, Virginia, Kentucky, Tennessee, Georgia and Alabama.  They are characterized by long, even ridges, with long, continuous valleys in between.