Lehigh Tunnel
| Entrance to the Lehigh Tunnel heading southbound | |
| Overview | |
|---|---|
| Location | Washington Township, Lehigh County, and East Penn Township, Carbon County, Pennsylvania | 
| Coordinates | 40°46′44″N 75°39′08″W / 40.7789°N 75.6523°W | 
| Route | I-476 / Penna Turnpike NE Extension | 
| Crosses | Blue Mountain | 
| Operation | |
| Work begun | NB: September 21, 1955 SB: February 14, 1989 | 
| Opened | NB: April 1, 1957 SB: November 9, 1991 | 
| Operator | Pennsylvania Turnpike Commission | 
| Traffic | Automotive | 
| Character | Road | 
| Technical | |
| Length | 4,380 feet (1,340 m) | 
| No. of lanes | 4 | 
| Operating speed | 55 mph (89 km/h) | 
The Lehigh Tunnel is a pair of road tunnels that carries the Pennsylvania Turnpike Northeast Extension (Interstate 476) under Blue Mountain north from U.S. Route 22 in the Lehigh Valley to the Scranton/Wilkes-Barre area between mileposts 70.7 to 71.5.