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PA Turnpike Interchange Renumbering
 

Frequently Asked Questions

New Interchange Numbers

New and Improved Mile Markers


Frequently Asked Questions

The Pennsylvania Turnpike Commission has converted its interchange-numbering system to a milepost-based system, designating interchanges according to their milepost locations.


Q. What about Dual Interchange numbering?

A: This system, which has been in place for number of years, designating interchanges by the old number as well as the milepost number, wasphased in during the summer of 2003.

Q. Will Interchange Names Change?

A: The names of the Turnpike’s 58 interchanges will remain the same. Only the number will be different. For example, the Harrisburg West Interchange, currently number 18, will become Interchange 18/242 because it is located at milepost 241.87 on the Turnpike. In each case, the tenth of a mile will be dropped in favor of a whole number.

Q. Why Change the Exit Numbers?

A: The milepost-based system is more convenient and helpful for travelers, and it will also allow the Turnpike to begin to conform to Federal Highway Administration standards. The milepost-based system makes it easier for our customers to calculate travel times and distances, and it makes the PA Turnpike interchange numbers uniform with those on many other interstates. Additionally, emergency services — including police, firefighters and medics — prefer the milepost method because it’s easier to locate and respond to a crisis scene.

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New Interchange Numbers

PA Turnpike "Mainline" (I-76/I-70/I-276)
Northeastern Extension (I-476)
James E. Ross Highway (I-376/Turnpike 60)
Amos K. Hutchinson Bypass (Turnpike 66)
James J. Manderino Highway (Turnpike 43)

PA Turnpike "Mainline"
(I-76/I-70/I-276)

Mainline Renumbering

Name of Interchange

Old
Numbering

New
Numbering

Gateway

1

2

New Castle 1A 10
Beaver Valley 2 13
Cranberry 3 28
Butler Valley 4 39
Allegheny Valley 5 48
Pittsburgh 6 57
Irwin 7 67
New Stanton 8 75
Donegal 9 91
Somerset 10 110
Bedford 11 146
Breezewood 12 161
Fort Littleton 13 180
Willow Hill 14 189
Blue Mountain 15 201
Carlisle 16 226
Gettysburg Pike 17 236
Harrisburg West 18 242
Harrisburg East 19 247
Lebanon-Lancaster 20 266
Reading 21 286
Morgantown 22 298
Downingtown 23 312
Valley Forge 24 326
Norristown 25 333
Fort Washington 26 339
Virginia Dr. Slip Ramp 340
Willow Grove 27 343
Bensalem (Previously Phila.) 28 351
Delaware Valley 29 358
Delaware River Bridge 30 359


 
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Northeastern Extension
(I-476)

Northeastern Extension Renumbering

Name of Interchange

Old
Numbering

New
Numbering



Mid-County 25A 20
Lansdale 31 31
Quakertown 32 44
Lehigh Valley 33 56
Mahoning Valley 34 74
Pocono 35 95
Wilkes-Barre 36 105
Wyoming Valley Ramp 37 115
Keyser Avenue 38 122
Clarks Summit Ramp 39 131


 
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James E. Ross Highway
(I-376/Turnpike 60)

James E. Ross Highway

Name of Interchange

Old
Numbering

New
Numbering



Chippewa 29 31
Beaver Falls 31 29
PA Turnpike (Exit 1A) 33 26
Moravia 40 20
Mount Jackson Road 43 17
New Castle 45 15


 
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Amos K. Hutchinson Bypass

Amos K. Hutchinson Bypass

Name of Interchange

Old
Numbering

New
Numbering



U.S. 119 and I-70 1 0
Arona Road 2 1
Pa. 136 3 4
U.S. 30 4 6
Pa. 130 5 8
Old Pa. 66 6 9
Route 687 7 12
U.S. 22 8 14


 
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James J. Manderino Highway
(Turnpike 43)


James J. Manderino Highway

Name of Interchange

Old
Numbering

New
Numbering



U.S. 40 --- 30
California --- 32
Elco --- 34
I-70 --- 36


 
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New and Improved Mile Markers

Better Mile Markers Installed

In concert with the dual-numbering initiative, all tenth-mile markers on the shoulder of the Turnpike have been improved. New high-visibility markers have been installed on the entire roadway to allow customers to easily determine their precise location.

The more than 10,000 new markers feature bold white print that is two-times larger than the old numbering on a highly reflective green background. The markers are also eight inches taller than the old tenth mile markers.

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