PA 12 is a 9.5 mile long route from the city of Reading east to Laureldale and Pricetown in Berks County. The western 4.5 miles of PA 12 follows the Warren Street Bypass, a controlled access expressway with five interchanges and a direct link with U.S. 222/422 along the West Shore Bypass. The state route was designated in 2000 to replace U.S. 222, which was relocated to bypass Reading to the west and north.
East
PA 12 (Warren Street Bypass) proceeds east from U.S. 422 across Tulpehocken Creek.
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PA 12 (Warren Street Bypass) enters the city of Reading along an at-grade stretch of expressway. A grade separated intersection connects with PA 183 (Schuylkill Avenue) in one quarter mile.
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Chester Street is the first of five right in right out (RIRO) intersections along PA 12 eastbound in Reading.
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The turn off for PA 183 lies one eight of a mile ahead at Butler Street. PA 183 heads north from Reading to Reading Regional Airport (RFG) and west to Strausstown.
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The RIRO intersection with Butler Street links PA 12 with Lehigh Street to PA 183 (Schuylkill Avenue). PA 183 concludes 1.75 miles to the south at U.S. 422 Business (Penn Avenue) in Downtown Reading.
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PA 12 (Warren Street Bypass) north at the PA 183 (Schuylkill Avenue) overpass.
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The succeeding exit beyond River Road links PA 12 east with PA 61 (Centre Avenue) south to FirstEnergy Stadium, a Minor League Baseball park.
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A folded diamond interchange links PA 12 (Warren Street Bypass) east next with River Road.
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River Road parallels the Schuylkill River north from PA 12 to the community of Riverview Park.
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PA 61 (Centre Avenue) branches west from U.S. 222 Business in Reading and meets PA 12 at a parclo interchange within Muhlenberg township.
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PA 61 follows the historic alignment of U.S. 122 alignment between Downtown Reading and Sunbury. A well traveled route, PA 61 joins Reading with Hamburg by I-78, Pottsville and Frackville by I-81.
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PA 61 (Centre Avenue) continues north from Reading along Pottsville Pike to Tuckerton and U.S. 222.
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U.S. 222 Business parallels PA 61 (Centre Avenue) to the east along 5th Street north to a parclo interchange with PA 12.
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U.S. 222 formerly followed the Warren Street Bypass east to Fifth Street north at the forthcoming exchange. U.S. 222 Business was eventually extended north to Temple.
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U.S. 222 Business (Fifth Street) extends north from Reading toward Laureldale and U.S. 222 at Ontelaunee township.
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PA 12 (Warren Street Bypass) spans Kutztown Road ahead of the diamond interchange with 11th Street.
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Kutztown Road supersedes 11th Street north en route to the borough of Laureldale. Southward the 11th Street (SR 2011) leads to Exeter Street and Albright College in Reading.
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PA 12 (Warren Street Bypass) curves northeast to a parclo interchange with Spring Valley Road.
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Spring Valley Road ties into Hampden Boulevard outside Reading to the east and links with Montrose Avenue north into Laureldale to the west.
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PA 12 (Warren Street Bypass) downgrades from a four lane expressway into a two lane highway at the Alsace township line.
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PA 12 continues along Pricetown Road to Breezy Corner and Pricetown in five miles.
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Elizabeth Avenue (SR 2016) arcs southeast from Laureldale to PA 12 (Pricetown Road) ahead of this reassurance marker.
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PA 12 east of Skyline Drive (SR 2027) south.
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West
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PA 12 (Pricetown Road) upgrades to a four lane expressway west ahead of Spring Valley Road in Muhlenberg township.
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Spring Valley Road arcs west from Hampden Boulevard to Montrose Avenue north into Laureldale,11th Street and Kutztown Road.
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The succeeding three exits from the Warren Street Bypass westbound lead into the city of Reading.
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The city of Lebanon lies 30 miles to the southwest via U.S. 422.
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One quarter mile ahead of the diamond interchange with 11th Street on PA 12 westbound.
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11th Street heads north from central Reading to Kutztown Road and Laureldale.
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5th Street leads U.S. 222 Business northward from Downtown Reading to Laureldale, Temple, and Allentown Pike on its return to U.S. 222.
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Until 2000, U.S. 222 followed 5th Street south from Allentown Pike to the Warren Street Bypass. The route continued west along what is now PA 12 to U.S. 422.
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There is no access from PA 12 (Warren Street Bypass) west to PA 61 (Centre Avenue). U.S. 222 Business connects with Centre Avenue via George or Bern Streets.
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Entering the parclo interchange with U.S. 222 Business (5th Street) on PA 12 west.
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A grade separated intersection joins PA 12 (Warren Street Bypass) with PA 183 (Schuylkill Avenue) west via Carbon and Lackawanna Streets in 0.75 miles.
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PA 183 passes over the Warren Street Bypass northwest from Reading en route to Reading Regional Airport (RDG).
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PA 183 (Schuylkill Avenue) originates in Downtown Reading and ends 30 miles to the northwest at PA 61 outside Cressona.
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PA 12 (Warren Street Bypass) advances west toward U.S. 422 and U.S. 222 as an at-grade expressway.
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An end shield for PA 12 precedes the directional T interchange joining the Warren Street Bypass with U.S. 422 east.
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The westbound lanes of PA 12 default onto U.S. 222 south / U.S. 422 west into the borough Wyomissing.
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PA 12 crosses over Tulpehocken Creek and U.S. 422 (West River Drive) ahead of U.S. 222.
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PA 12 westbound at the loop ramp for U.S. 422 east to Reading, Morgantown via PA 10 or I-176, and Pottstown.
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U.S. 222/422 overlap west through the borough of Wyomissing on respective routes to Lancaster and Lebanon. There is no ramp for U.S. 222 (Park Road Extension) northbound.
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Page Updated 12-23-2020.