Roads of the Mid-South & West > Highways of the Commonwealth of Pennsylvania > Pennsylvania State Route 100 > Pennsylvania State Route 100, Chester County

Pennsylvania State Route 100 Chester County

Pennsylvania State Route 100 is a north-south highway in Northcentral Chester County. It runs from U.S. Rt. 202, near Caswallen, to the Chester/Montgomery County Line, near Pottsville.

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PA St Rt 100 passes through the following towns in Chester County.
Exton
Lionville
Eagle
Lugwigs Corner
Pughtown
Bucktown
South Pottstown

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PA St Rt 100 is multi-plexed in Chester County.
ALT TRUCK Pennsylvania State Route 401, near Lionville.

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PA St Rt 100 intersects the following highways in Chester County.
U.S. Rt. 202, near Caswallen.
U.S. Rt. 30, near Exton.
BUSN U.S. Rt. 30, at Exton.
Pennsylvania State Route 113, near Lionville.
ALT TRUCK Pennsylvania State Route 401, near Lionville.
Interstate 76, near Eagle.
Pennsylvania Turnpike, near Eagle.
Pennsylvania State Route 401, near Lugwigs Corner.
ALT TRUCK Pennsylvania State Route 401, near Lionville.
Pennsylvania State Route 23, at Buckstown.
Pennsylvania State Route 724, near South Pottsville.
U.S. Rt. 422, at South Pottsville.

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A BGS on WB I-76/PA Turn.

A BGS on EB I-76/PA Turn.

A BGS on EB I-76/PA Turn.

A BGS on the ramp from I-76/PA Turn.

SB PA St Rt 100 south of I-76/PA Turn.

SB PA St Rt 100 at PA St Rt 113.

SB PA St Rt 100 south of PA St Rt 113.

SB PA St Rt 100 south of Gordon Drive.

SB PA St Rt 100 south of U.S. Rt. 30.

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27 October 2025