The roadway continues south into Oak Hill as SR 657 (Centreville Road), which has a diamond interchange with SR 267 (Dulles Toll Road) south of Parcher Avenue.

SR 228 heads northeast as Elden Street, which begins as a six-lane divided highway in a commercial area.

In the center of town, the state highway intersects the Washington & Old Dominion Railroad Trail next to the Herndon Depot Museum.

The state highway passes several residential subdivisions before reaching its northern terminus at SR 7 (Leesburg Pike) west of Dranesville and just east of the Fairfax–Loudoun county line.

The truck route runs 2.70 miles (4.35 km) between intersections with SR 228 on either side of town.