PA 82 begins as Creek Road at the
Delaware state line, where it meets the northern terminus of
DE 82, in
Kennett Township,
Chester County. From the border, the route winds northwest as a two-lane undivided road through wooded areas alongside the
Red Clay Creek. The road winds north along the creek's East Branch through more woodland with some homes. PA 82 turns west and heads into the borough of
Kennett Square, where it becomes East South Street and passes through residential areas. The route passes north of
Kennett High School before it turns north onto South Union Street and heads through commercial areas, coming to a bridge over an
East Penn Railroad line. The road runs through wooded neighborhoods before it intersects the
one-way pair of Cypress Street eastbound and State Street westbound (both of which comprise the
Baltimore Pike) in the commercial downtown of Kennett Square. PA 82 becomes North Union Street and runs through more wooded areas of homes before leaving Kennett Square for Kennett Township again. The route passes a cemetery before it enters
East Marlborough Township and immediately reaches a
diamond interchange with the
US 1 freeway, where the route is a
divided highway. Past this interchange, PA 82 becomes township-maintained and continues north as undivided Unionville Road through wooded areas of residential subdivisions, coming to a junction with
PA 926 in the community of
Willowdale. The road continues past more housing developments with some farmland, passing to the west of
Unionville High School, as it heads toward the community of
Unionville. Here, PA 82 intersects Doe Run Road at a
roundabout and turns west onto that road. The route passes homes and comes to an intersection with
PA 842, forming a
concurrency with that route. The two routes intersect the western terminus of
PA 162 in the center of the community before PA 842 splits from PA 82 by turning southwest. PA 82 leaves Unionville and continues west on Doe Run Road through farmland with some woods and residences. Upon crossing into
West Marlborough Township, the route becomes state-maintained again and continues through more rural areas, curving to the northwest. In the community of
Doe Run, PA 82 intersects the northern terminus of
PA 841. The road heads to the north and crosses
Buck Run into
East Fallowfield Township. Here, the route passes more farms and woods before curving northwest into increasing residential development, passing through the community of
Ercildoun and intersecting Buck Run Road. PA 82 turns to the north and crosses
Strasburg Road. The road curves northeast and passes farmland with some woods. PA 82 enters
Valley Township and heads north near homes on Strode Avenue. The road runs past a
Cleveland-Cliffs (formerly
Lukens Steel Company) steel plant, where it crosses at-grade two branches of the
Brandywine Valley Railroad serving the plant and enters the city of
Coatesville. PA 82 intersects the eastern terminus of
PA 372 and becomes lined with homes as it reaches a junction with
US 30 Bus. At this point, the route turns east for a concurrency with US 30 Bus. on
Lincoln Highway and runs past more residences before passing to the north of the steel plant. The road crosses the
West Branch Brandywine Creek and a Brandywine Valley Railroad line at-grade before PA 82 splits from US 30 Bus. by heading northwest on four-lane undivided North 1st Avenue. PA 82 passes between the creek and railroad to the west and homes to the east before crossing under the
High Bridge which carries
Amtrak's
Keystone Corridor railroad line. The route becomes a four-lane divided highway called Manor Road and winds north along the east bank of the West Branch Brandywine Creek through wooded hills with some development, becoming the border between Coatesville to the west and Valley Township to the east and reaching a
partial cloverleaf interchange with the
US 30 freeway. Past this interchange, PA 82 comes to an intersection with
PA 340, where it enters
West Brandywine Township and becomes a two-lane undivided road. The road passes through wooded areas with some residences before it heads into a mix of farmland and woodland with development, reaching a roundabout with Cedar Knoll Road/Reeceville Road. In the community of
Brandywine Manor, the route crosses
US 322. PA 82 continues through rural land with some homes, passing through a part of
Wallace Township before it heads into
West Nantmeal Township. The road crosses the
East Branch Brandywine Creek and reaches a junction with the western terminus of
PA 282. The route runs through more farmland and woodland with homes as it comes to an intersection with the southern terminus of
PA 345 and Little Conestoga Road in the community of
Loag. At this point, PA 82 turns northwest to remain along Manor Road and heads through agricultural areas with some woods and homes. The road curves north and becomes South Chestnut Street, coming to a bridge over the
Pennsylvania Turnpike (
Interstate 76) before a junction with
PA 401. At this point, the route enters the borough of
Elverson and runs northeast through residential areas with some fields. PA 82 turns north and reaches its northern terminus at
PA 23 in the center of Elverson, where North Chestnut Street continues north as State Route 4082 (SR 4082), an unsigned
quadrant route. ==History==