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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.
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 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.
Type Symbol Description Adopted Image Notes Aircraft: Piper J-3 Cub: June 26, 2014 [2]Amphibian: Eastern hellbender (Cryptobranchus alleganiensis) April 23, 2019
A welcome sign for Maine, simply noting the state line: Maryland The welcome sign for Maryland, with the state's flag on a shield: Massachusetts Massachusetts welcome sign on a snowy road: Michigan Michigan welcome sign with a stylized M: Minnesota Minnesota welcome sign, in the shape of the state: Mississippi Welcome sign for Mississippi from ...
Some signs can be localized, such as No Parking, and some are found only in state and local jurisdictions, as they are based on state or local laws, such as New York City's "Don't Block the Box" signs. These signs are in the R series of signs in the MUTCD and typically in the R series in most state supplements or state MUTCDs.
This road became known as Street Road, named after Marlborough Street that it followed. [4] When Pennsylvania first legislated its routes in 1911, Street Road was not given a route number. [5] By 1928, Street Road existed as a paved road between London Grove and Red Lion and from US 122/PA 29 (now US 202/US 322) in Thornbury to PA 352 in Tanguy.
Pennsylvania's largest city Philadelphia. Nickname: The Keystone State Capital: Harrisburg Largest city: Philadelphia Governor: Tom Corbett Total area: 119,283 square kilometers (46,055 square miles)
The road continues into residential areas and becomes North State Road upon crossing Springfield Road. US 1 curves northeast and crosses Darby Creek into Upper Darby Township, where it heads into business areas. State Road splits to the northeast and the route becomes Township Line Road, which heads north into Drexel Hill as a four-lane ...