A directional interchange guides Pennsylvania 309 onto the southwest Allentown bypass with Interstate 78. The surface highway splits into ramps for Interstate 78 east to Bethlehem, Pike Road north for Pennsylvania 145 (South 4th Street) into Allentown, and Interstate 78 west & Pennsylvania 309 north for Harrisburg and Tamaqua. Photo taken 06/02/04.
The two northbound lanes of Pennsylvania 309 default onto Interstate 78 west to junction U.S. 222 and Interstate 476 (Pennsylvania Turnpike). Pennsylvania 145 begins to the right and travels northward into the Mountainville section of Allentown. There are five interchanges of Pennsylvania 309 to serve the LeHigh County seat. Photo taken 06/02/04.
Pennsylvania 309 South
Pennsylvania 309 departs its overlap with Interstate 78 at Exit 60 southeast of Allentown. The state highway superceded Interstate 78 as the Allentown southwest bypass until the 1991 completion of the Interstate highway. Featured here is button copy guide signage for drivers bound for Interstate 78 east eminating from either Pike Road or Vera Cruz Road to the west. Photo taken 04/23/04.
Pennsylvania 309 continues south toward Center Valley, Coopersburg, and Quakertown from Interstate 78. Traffic bound for Interstate 78 east is directed onto Saucon Valley Road to return northward onto Pennsylvania 309. No left-hand turns are permitted from Pennsylvania 309 south to Saucon Valley Road east. Therefore all turning traffic must utilize a jughandle to the right. Photo taken 04/23/04.
The Saucon Valley Road jughandle as it departs Pennsylvania 309 south. Saucon Valley Road travels 2.7 miles between Limeport Pike, Pennsylvania 378 (Bethlehem Pike), and Bingen Road parallel to Interstate 78. Interstate 78 eastbound traffic u-turns back onto Pennsylvania 309 north for the on-ramp to Bethlehem and Easton. Photo taken 04/23/04.
Leaving the confluence of Interstate 78 and Saucon Valley Road on Pennsylvania 309 southbound. For a brief while the state route resembles an expressway on the drive toward Center Valley. A button copy guide sign remains in place for Quakertown and Philadelphia on the route. Photo taken 04/23/04.
Approaching the southern terminus of Pennsylvania 378 (Bethlehem Pike) on Pennsylvania 309 south at Center Valley. Pennsylvania 378 derives its number from the former Interstate 378 freeway spur into Bethlehem from the Lehigh Valley Thruway (U.S. 22 & Former Interstate 78). The Bethlehem Pike composes a surface street between Center Valley, Fountain Hill, and downtown Bethlehem. Photo taken 04/23/04.
Southbound at junction Pennsylvania 378 (Bethlehem Pike) and Main Street for nearby Coopersburg. Main Street continues the roadway of Pennsylvania 378 southward into the heart of Coopersburg west of Pennsylvania 309 (3rd Street). Historic U.S. 309 followed the surface street through town. Photo taken 04/23/04.
Pennsylvania 309 (3rd Street) travels east of Coopersburg. The four-lane surface arterial is lined with numerous businesses, homes, and traffic lights on the drive between Pennsylvania 378 and Quakertown. Photo taken 04/23/04.
Pennsylvania 309 southbound reassurance shield on the stretch between Coopersburg and Quakertown. The four-lane highway crosses the Bucks County line on the 4.5 mile drive between the two communities. Photo taken 04/23/04.
Once in Quakertown Pennsylvania 309 (West End Boulevard) slows to near the joint terminal of Pennsylvania 313 (Broad Street) & 663 (John Fries Highway). Pennsylvania 313 stems southeast from Quakertown to Dublin, Doylestown, and Newtown. Downtown Quakertown resides just east of the traffic light on Broad Street. Photo taken 04/23/04.
Pennsylvania 309 (West End Boulevard) is heavily congested on the three mile stretch between Pennsylvania 313 & 663 and the beginning of the Sellersville freeway bypass. Numerous traffic lights and development line the four-lane arterial from Quakertown southward. Pennsylvania 663 (John Fries Highway) links the corridor with Interstate 476 (Pennsylvania Turnpike Northeast Extension) 3.5 miles to the west. The state route continues from the Turnpike to Pennsburg and junction Pennsylvania 73 outside of Gilbertsville. Photo taken 04/23/04.