along the two-lane undivided West Chester Bypass to the north of West Chester. Past the US 322 split, US 202 heads north as an unnamed four-lane freeway near business parks and passes to the west of Brandywine Airport, at which point it crosses the East Branch Chester Creek as it comes to a northbound exit and southbound entrance with the southern terminus of the PA 100 freeway. The route heads north-northeast near more business parks before it runs near wooded neighborhoods and reaches a diamond interchange at Boot Road. Following this, the freeway crosses into East Goshen Township and curves to the north-northwest, entering West Whiteland Township and passing through more wooded areas with nearby homes and commercial development. US 202 bends to the northeast and comes to a bridge over Amtrak's Keystone Corridor railroad line and an abandoned railroad line before it reaches an interchange with US 30 and the eastern terminus of US 30 Bus. at Lincoln Highway in the community of Glenloch. At this interchange, US 30 heads west on the Exton Bypass freeway and east on at-grade Lincoln Highway while US 30 Bus. heads west along Lincoln Highway. From here, US 202 widens to six lanes and crosses into East Whiteland Township. The highway heads to the northwest of the community of Frazer, running through a mix of fields, woods, and development. The freeway passes over the Chester Valley Trail before it comes to a diamond interchange at PA 401, where it also crosses Valley Creek. After this interchange, the route bends east and runs through wooded areas, heading across the creek again. US 202 reaches an interchange with PA 29 in a commercial area to the south of the Great Valley Corporate Center and the Penn State Great Valley university campus. Following this, the freeway continues east-northeast near commercial development before crossing into Tredyffrin Township and running through wooded areas with nearby residential neighborhoods, with the Chester Valley Trail parallel to the south. Farther east, the route comes to a northbound exit and southbound entrance at Swedesford Road that provides access to PA 252. US 202 turns northeast and runs near business parks, curving east to reach a partial cloverleaf interchange at Chesterbrook Boulevard south of the community of Chesterbrook. A short distance later, the freeway has a southbound exit to southbound PA 252 and northbound entrance from northbound PA 252. The route heads east,