it leaves Irwin and becomes a four-lane divided highway as it comes to the Irwin interchange with the Pennsylvania Turnpike (I-76). Past this interchange, the median turns into a center left-turn lane. US 30 runs along the southern border of the borough of Adamsburg and becomes a divided highway as it reaches an interchange with Edna Road serving Adamsburg. The road becomes five lanes with a center left-turn lane and passes through the community of Lincoln Heights and running along the southern border of the city of Jeannette. Past Jeannette, US 30 curves southeast and turns into a four-lane divided highway, coming to an interchange with the PA 66 toll road. After this interchange, the route briefly widens to six lanes before curving east and becoming a five-lane road with a center left-turn lane, turning into a four-lane divided highway as it passes south of the Greengate Centre shopping center and comes to a bridge over the Southwest Pennsylvania Railroad's Radebaugh Subdivision line. US 30 becomes a freeway that bypasses the city of Greensburg to the south and curves southeast, reaching an eastbound exit and westbound entrance with West Pittsburgh Street. The road enters Greensburg and comes to a partial cloverleaf interchange with PA 136. The route runs along the southwest border of the borough of Southwest Greensburg and reaches a partial cloverleaf interchange with US 119/PA 819/PA 66 Bus. Past this interchange, US 30 passes over the Southwest Pennsylvania Railroad's Greensburg Industrial Track line and the Five Star Trail, at which point it heads through a section of the borough of South Greensburg before it comes to a right-in/right-out interchange with Cedar Street. At this point, the freeway curves northeast, reaching a diamond interchange with Mt. Pleasant Road. The road passes through a section of Greensburg and comes to an eastbound exit and westbound entrance with PA 130. A short distance later, the freeway section ends at westbound exit and eastbound entrance with East Pittsburgh Street to the east of Greensburg. US 30 heads east as six-lane divided Lincoln Highway and reaches an interchange serving the Westmoreland Mall to the south of the road. The road narrows to four lanes and continues east-southeast. Farther east, the route runs through rural areas with some development, passing to the north of Arnold Palmer Regional Airport as it widens to six lanes and comes to an intersection with PA 981 to the