SR 245 begins at an intersection with US 17 at the hamlet of Old Tavern; the U.S. Highway heads south toward
Warrenton as James Madison Highway and northwest toward
Winchester as Winchester Road. The state highway heads northeast as two-lane undivided Old Tavern Road through farmland, within which it crosses Piney Branch of
Broad Run. SR 245 meets
Interstate 66 at a
diamond interchange south of the town of The Plains. The state highway enters town as Fauquier Avenue and reaches its northern terminus at SR 55 (Main Street). ==Major intersections==