Pennsylvania State Route System

The Pennsylvania Turnpike is a toll highway operated by the Pennsylvania Turnpike Commission (PTC) in the U.S. state of Pennsylvania. A controlled-access highway, it runs for 360 miles (580 km) across the state. The turnpike's western terminus is at the Ohio state line in Lawrence County, where the road continues west as the Ohio Turnpike. The eastern terminus is at the New Jersey state line at the Delaware River–Turnpike Toll Bridge over the Delaware River in Bucks County, where the road continues east as the Pearl Harbor Memorial Extension of the New Jersey Turnpike.

In the field of road transport, an interchange or a grade-separated junction is a road junction that uses grade separations to allow for the movement of traffic between two or more roadways or highways, using a system of interconnecting roadways to permit traffic on at least one of the routes to pass through the junction without interruption from crossing traffic streams. It differs from a standard intersection, where roads cross at grade. Interchanges are almost always used when at least one road is a controlled-access highway or a limited-access divided highway (expressway), though they are sometimes used at junctions between surface streets.

A rest area is a public facility located next to a large thoroughfare such as a motorway, expressway, or highway, at which drivers and passengers can rest, eat, or refuel without exiting onto secondary roads. Other names include motorway service area (UK), services (UK), travel plaza, rest stop, oasis (US), service area, rest and service area (RSA), resto, service plaza, lay-by, and service centre (Canada). Facilities may include park-like areas, fuel stations, public toilets, water fountains, restaurants, and dump and fill stations for caravans / motorhomes.

A jughandle is a type of ramp or slip road that changes the way traffic turns left at an at-grade intersection. Instead of a standard left turn being made from the left lane, left-turning traffic uses a ramp on the right side of the road. In a standard forward jughandle or near-side jughandle, the ramp leaves before the intersection, and left-turning traffic turns left off of it rather than the through road; right turns are also made using the jughandle. In a reverse jughandle or far-side jughandle, the ramp leaves after the intersection, and left-turning traffic loops around to the right and merges with the crossroad before the intersection.

In road transportation in the United States, a special route is a road in a numbered highway system that diverts a specific segment of related traffic away from another road. They are featured in many highway systems; most are found in the Interstate Highway System, U.S. highway system, and several state highway systems. Each type of special route possesses generally defined characteristics and has a defined relationship with its parent route. Typically, special routes share a route number with a dominant route, often referred as the "parent" or "mainline", and are given either a descriptor which may be used either before or after the route name, such as Alternate or Business, or a letter suffix that is attached to the route number. For example, an alternate route of U.S. Route 1 may be called "Alternate U.S. Route 1", "U.S. Route 1 Alternate", or "U.S. Route 1A". Occasionally, a special route will have both a descriptor and a suffix, such as U.S. Route 1A Business.

Pennsylvania Route 3 is a 24.3-mile (39.1 km) state highway located in the southeastern portion of Pennsylvania. The route runs from U.S. Route 322 Business in West Chester east to PA 611 in Philadelphia. The route begins in downtown West Chester and heads east out of the borough as a one-way pair of streets. Between West Chester and Upper Darby, PA 3 follows a four-lane divided highway named West Chester Pike through suburban areas. Along this stretch, the route passes through Edgmont, Newtown Square, Broomall, and Havertown. The route has an interchange with Interstate 476 (I-476) between Broomall and Havertown. Upon reaching Upper Darby, PA 3 heads into Philadelphia along Market Street. In Philadelphia, the route follows multiple one-way pairs, running along Chestnut Street eastbound and Walnut Street westbound in West Philadelphia before heading into Center City Philadelphia along Market Street eastbound and John F. Kennedy Boulevard westbound and ending at Philadelphia City Hall.

Center City includes the central business district and central neighborhoods of Philadelphia. It comprises the area that made up the City of Philadelphia prior to the Act of Consolidation, 1854, which extended the city borders to be coterminous with Philadelphia County.

Pennsylvania Route 380, also known as J.F. Bonetto Memorial Highway and within the city of Pittsburgh Bigelow Boulevard, Baum Boulevard and Frankstown Road, is a 32.80 mi (52.8 km) long state highway in western portions of the U.S. state of Pennsylvania. The western terminus of the route is at Interstate 579 in downtown Pittsburgh near PPG Paints Arena. The eastern terminus is at Pennsylvania Route 286 in Bell Township, near the hamlet of Wakena.

Interstate 380 (I-380) is an auxiliary Interstate Highway in Northeastern Pennsylvania that connects I-80 with I-81 and I-84. The southern terminus is in Tunkhannock Township at the junction with I-80; the northern terminus of I-380 is at I-81 and U.S. Route 6 (US 6) in Dunmore. The entire length of the highway is 28.45 miles (45.79 km).