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Pennsylvania Route 23

Pennsylvania Route 23 (PA 23) is a 81.14-mile-long (130.58 km) state highway in southeastern Pennsylvania. The route begins at PA 441 in Marietta and heads east to U.S. Route 1 (US 1) on the border of Lower Merion Township and Philadelphia. PA 23 begins at Marietta in Lancaster County and continues east to Lancaster, where it passes through the city on a one-way pair and intersects US 222 and US 30. East of Lancaster, the route passes through agricultural areas in Pennsylvania Dutch Country, serving Leola, New Holland, and Blue Ball, where it crosses US 322. PA 23 passes through the southern tip of Berks County and serves Morgantown, where a ramp provides access to Interstate 176 (I-176). The route runs through northern Chester County and serves Elverson, Bucktown, Phoenixville, and Valley Forge. PA 23 continues into Montgomery County and intersects US 422 in King of Prussia and US 202 in Bridgeport. The route follows the Schuylkill River to West Conshohocken, where it has access to I-76 and I-476, before it continues southeast through Lower Merion Township to US 1.

Pothole repair
Traffic

Pothole Crews Target Chester County Roads as Winter Damage Mounts

January 31, 2026January 30, 2026 - by Alec Robson

CHESTER COUNTY, PA — PennDOT is dispatching maintenance crews across the Philadelphia region next week to battle a surge of winter potholes, with several heavily traveled Chester County corridors among …

Pothole Crews Target Chester County Roads as Winter Damage Mounts Read More

Road Closure
Traffic

Long-Term Closure Planned for St. Peters Road in Warwick Twp

October 5, 2025October 4, 2025 - by Alec Robson

WARWICK TWP, PA — The Pennsylvania Department of Transportation (PennDOT) announced that northbound St. Peters Road in St. Peters Village will close Monday, October 20, for retaining wall construction to …

Long-Term Closure Planned for St. Peters Road in Warwick Twp Read More
Traffic
Traffic

$2.51 Million Awarded for Route 23 Safety Upgrades in Chester County

August 13, 2025August 13, 2025 - by Timothy Alexander

PAOLI, PA — A long-anticipated safety improvement project along Route 23 in Chester County will move forward this summer, backed by $2.51 million in federal funding, State Rep. Melissa Shusterman, …

$2.51 Million Awarded for Route 23 Safety Upgrades in Chester County Read More

Pothole repair
Traffic

Relief Ahead: PennDOT Tackles Chester County’s Crippling Potholes Next Week!

April 27, 2025April 26, 2025 - by Alec Robson

CHESTER COUNTY, PA — Maintenance crews from the Pennsylvania Department of Transportation (PennDOT) will be addressing deteriorated pavement on several key roadways in Chester County next week, targeting damage caused …

Relief Ahead: PennDOT Tackles Chester County’s Crippling Potholes Next Week! Read More
Road Closed
Traffic

Route 23 Closure Announced for Water Main Construction

March 13, 2025March 13, 2025 - by Alec Robson

SCHUYLKILL TWP, PA — Aqua Pennsylvania will undertake water main construction on Route 23 (Valley Forge Road) this Saturday, March 15, resulting in a full closure of the roadway from …

Route 23 Closure Announced for Water Main Construction Read More

Lane restrictions
Regional

Attention Lancaster Drivers: Your Route 23 Bridge Safety Inspection Details You Need to Know!

October 27, 2024October 26, 2024 - by Alec Robson

LANCASTER, PA — The Pennsylvania Department of Transportation (PennDOT) has scheduled an essential inspection of the Route 23 (East Walnut Street) Bridge, which spans over the Conestoga River, connecting Lancaster …

Attention Lancaster Drivers: Your Route 23 Bridge Safety Inspection Details You Need to Know! Read More
Paving
Regional

Route 23 Makeover: What to Expect from Upcoming Closures and Enhancements

September 8, 2024September 7, 2024 - by Maryann Pugh

LANCASTER COUNTY, PA — The Pennsylvania Department of Transportation (PennDOT) will resume work on a 3.6-mile resurfacing project on Route 23 in New Holland Borough and Earl and East Earl …

Route 23 Makeover: What to Expect from Upcoming Closures and Enhancements Read More

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