Turnpike Width
- Delaware River to Ohio Line (plus hill-climbing lanes for trucks at various locations): 78 feet
- Northeastern Extension: 72 feet
- Northeastern Extension Junction to Philadelphia Int. (6 lanes): 106 feet
- Southwestern Expansion: 132 feet
- Width of Double Lane: 24 feet
Width of Outside Shoulders
- Standard: 10 feet
- Northeastern Extension Junction to Philadelphia Interchange: 12 feet
Curves
- Maximum Curvature: 6 degrees
(Approximately 955 feet minimum radius) on Allegheny Mountain climbing lanes only.
- Western Extension (Irwin-Ohio Line): 4 degrees
- Remainder of Turnpike: 3 degrees
Grades
- Maximum Steepness
- Mainline: 3 percent
- Ramps: 6 percent
- Extensions: 5 percent
Tunnel Lengths
- Blue Mountain: 4,339 feet
- Kittatinny Mountain: 4,727 feet
- Tuscarora Mountain: 5,326 feet
- Allegheny: 6,070 feet
- Lehigh (on Northeastern Extension): 4,461 feet
Major Bridges, Lengths
- Delaware River: 6,571 feet
- Schuylkill River: 1,228 feet
- Susquehanna River: 4,526 feet
- Allegheny River: 2,186 feet
- Beaver River: 1,546 feet
- Mahoning River (Twin Bridges - Turnpike 60): 1,700 feet
- Lehigh River (Northeastern Extension - Turnpike 476; south crossing): 1,494 feet
- Clarks Summit (Northeastern Extension - Turnpike 476): 1,627 feet
- Joe Montana Bridges (Twin Bridges - Turnpike 43): 2,507 feet
- Maple Creek (Turnpike 43): 1,010
- Bogdon Road (Turnpike 43): 1,412
- Pigeon Creek/Park Avenue (Turnpike 43): 1,780
- Hazelkirk Road (Turnpike 43): 1,353
Interchanges
- Most heavily used: Mid-County and Norristown (2003) 90,890 *AADT
Least heavily used
- Willow Hill (2003) 1,142 *AADT
SAFETY
- The Pennsylvania Turnpike Commission believes proper seat belt use and strict enforcement of speed limits or speeds appropriate for conditions are major factors in keeping the highway safe. During 2001, members of the Pennsylvania State Police, Troop T issued 90,400 traffic citations.
|
|
PATurnpike.com > About PTC 
