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The Pennsylvania State Route System was established by the Sproul Road Bill passed in 1911. The system took control of over 4,000 miles of road. The system of roads continued to grow over the next few decades until continual addition of roads faced greater opposition. On October 1, 1940, the Pennsylvania Turnpike's first section of highway was ...
Since Pennsylvania first introduced numbered traffic routes in 1924, a keystone symbol shape has been used, in reference to Pennsylvania being the "Keystone State". The signs originally said "Penna" (a common abbreviation for Pennsylvania at the time), followed by the route number in block-style numbering in a keystone cutout.
State. Scenic. Legislative. The list of Interstate Highways in Pennsylvania encompasses 23 Interstate Highways —12 primary routes and 11 auxiliary routes—which exist entirely or partially in the U.S. state of Pennsylvania. In Pennsylvania, most of the Interstate Highways are maintained by the Pennsylvania Department of Transportation (PennDOT).
PA 126. → PA 127. Interstate 70 (I-70) is an Interstate Highway that is located in the Commonwealth of Pennsylvania in the United States. It runs east to west across the southwest part of Pennsylvania and serves the southern fringe of the Pittsburgh metropolitan area. [2]
Pennsylvania Route 23 (PA 23) is an 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) at City Avenue on the border of Lower Merion Township and Philadelphia. PA 23 begins at Marietta in Lancaster County and continues east to Lancaster, where it ...
Scenic. Legislative. ← US 30. → PA 32. Pennsylvania Route 31 (PA 31) is a 74-mile-long (119 km) state highway located in Western Pennsylvania, paralleling U.S. Route 30 (US 30) and the Pennsylvania Turnpike for most of its length. The designation begins at PA 136 near West Newton and ends at US 30 near Bedford.
The Pennsylvania Department of Transportation (PennDOT) oversees transportation issues in the Commonwealth of Pennsylvania. The administrator of PennDOT is the Pennsylvania Secretary of Transportation, Michael B. Carroll. PennDOT supports nearly 40,000 miles (64,000 km) of state roads and highways, about 25,000 bridges, and new roadway ...
Pennsylvania Route 44. Pennsylvania Route 44 (PA 44) is a 149.24 mi (240.18 km)-long state highway in the U.S. state of Pennsylvania. The route, which is signed north-south, is designated from Interstate 80 (I-80) and PA 42 in Buckhorn northwest to the New York state line near New York State Route 417 (NY 417) in Ceres Township.