Interstate 78 in Pennsylvania
Interstate 78 (I-78) is a major east–west Interstate Highway stretching from Union Township, Lebanon County, Pennsylvania, in the west to the Holland Tunnel and New York City in the east. In Pennsylvania, I-78 runs for about 78 miles (126 km) from the western terminus at I-81 in Union Township east to the New Jersey state line near Easton in Northampton County.
I-78/US 22 eastbound past the Shartlesville exit
I-78 eastbound at split with US 22 eastbound in Upper Macungie Township
I-78 westbound past the PA 412 interchange in Bethlehem
I-78/US 22 westbound at the PA 737 interchange in Krumsville
Interstate 81 in Pennsylvania
Interstate 81 (I-81) is a north–south Interstate Highway, stretching from Dandridge, Tennessee, northeast to Fisher's Landing, New York, at the Canada–United States border. In Pennsylvania, I-81 runs for 232.76 miles (374.59 km) from the Maryland state line northeast to the New York state line near Hallstead and is called the American Legion Memorial Highway. The interstate enters the state near the borough of Greencastle, serving the boroughs of Chambersburg and Carlisle, before reaching Harrisburg, the capital. After that, it climbs into the Pocono Mountains to run through the Wyoming Valley, then exits into New York. It is the longest north–south Interstate in Pennsylvania.
I-81 northbound in Paxtonia northeast of Harrisburg
I-81 northbound north of exit 134 in Delano Township
I-81 northbound approaching Central Scranton Expressway (now President Biden Expressway) in Scranton
I-81 northbound at western terminus of I-78 in Lebanon County