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Delaware River–Turnpike Toll Bridge
The Delaware River–Turnpike Toll Bridge is a four-lane steel arch-shaped continuous truss bridge that connects the Pennsylvania Turnpike's East-West Mainline with the main trunk of the New Jersey Turnpike, via the Pearl Harbor Memorial Extension (formerly known as the Pennsylvania Extension). The bridge crosses the Delaware River, connecting Bristol Township, Pennsylvania and Burlington Township, New Jersey. It is PA Turnpike's second tallest bridge after the Beaver River Bridge in western Pennsylvania.
==History==
The bridge was built by both the Pennsylvania Turnpike Commission (PTC) and the New Jersey Turnpike Authority (NJTA) when the PTC completed the "Delaware River Extension" of the Pennsylvania Turnpike between Valley Forge and Bristol Township in 1955, while the NJTA built the NJ Turnpike between Penns Grove and Ridgefield Park between 1950 and 1952. While the Pennsylvania Turnpike itself predates its New Jersey counterpart by over 10 years (the original Irwin-Carlisle section opened in 1940), the expansion of the Pennsylvania Turnpike to a cross-state highway was put on hold for the duration of World War II.
Starting with the upsurge of automobile traffic in 1946, the Pennsylvania Turnpike expanded from the original highway west from Irwin to the Ohio border and east from Carlisle to Valley Forge. At the same time, New Jersey, lacking a high-speed corridor, undertook the building of the New Jersey Turnpike under the auspices of then-Governor of New Jersey Alfred E. Driscoll. In order to provide a high-speed, low-interruption route from New York City to the Midwest, both the PTC and the NJTA undertook the building of the Delaware River-Turnpike Toll Bridge (known locally as the "Turnpike Connector Bridge") to connect the two highways. A local AAA chapter spearheaded a failed effort to have the bridge named after William Penn.
To maintain the "high-speed, low-interruption" characteristics ("low interruption" referring to the few stops needed to pay toll or fuel up at the numerous full-service plazas on both routes), the new bridge was designed from the beginning as a high-level crossing. This sharply contrasts with the Tacony–Palmyra Bridge and the Burlington–Bristol Bridge located downstream as they are both drawbridges, and are subject to frequent openings to allow large ships up and down stream (all other bridges downstream from the Delaware River-Turnpike Toll Bridge are high level crossings).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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