Right-of-Way Width:
Minimum 200 feet



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

*Average Annual Daily Traffic



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.

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