Pennsylvania Route 329

North Whitehall Township is a township in Lehigh County, Pennsylvania. The population of North Whitehall Township was 15,655 at the 2020 census. It is a suburb of Allentown in the Lehigh Valley, which had a population of 861,899 and was the 68th most populous metropolitan area in the U.S. as of the 2020 census.

Lehigh County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the county's population was 374,557. Its county seat is Allentown, the state's third largest city after Philadelphia and Pittsburgh.

The Lehigh Valley, known colloquially as The Valley, is a geographic and metropolitan region formed by the Lehigh River in Lehigh and Northampton Counties in the eastern part of the U.S. state of Pennsylvania. It is a component valley of the Great Appalachian Valley bounded to its north by Blue Mountain, to its south by South Mountain, to its west by Lebanon Valley, and to its east by the Delaware River and Warren County, New Jersey. The Valley is about 40 miles (64 km) long and 20 miles (32 km) wide. The Lehigh Valley's largest city is Allentown, the third largest city in Pennsylvania and the county seat of Lehigh County, with a population of 125,845 residents as of the 2020 census.

Interstate 476 (I-476) is a 132.1-mile (212.6 km) auxiliary Interstate Highway of I-76 in the U.S. state of Pennsylvania. The highway runs from I-95 near Chester north to I-81 near Scranton, serving as the primary north–south Interstate corridor through eastern Pennsylvania. It consists of both the 20-mile (32 km) Mid-County Expressway, locally referred to as the "Blue Route", through Delaware and Montgomery counties in the suburban Philadelphia area, and the tolled, 110.6-mile (178.0 km) Northeast Extension of the Pennsylvania Turnpike, which connects the Delaware Valley with the Lehigh Valley, the Pocono Mountains, and the Wyoming Valley to the north.

Coplay Creek is a 14.1-mile-long (22.7 km) tributary of the Lehigh River in eastern Pennsylvania.

Egypt is an unincorporated community and census-designated place (CDP) in Whitehall Township in Lehigh County, Pennsylvania, United States. The population of Egypt was 2,588 as of the 2020 census. It located about 7 miles (11 km) north of Allentown and is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th most populous metropolitan area in the U.S. as of the 2020 census.

Cementon is an unincorporated area and census-designated place (CDP) in Lehigh County, Pennsylvania. The town is in Whitehall Township, 7 miles (11 km) north of Allentown. As of the 2020 census, the population of Cementon was 1,657. Cementon is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th most populous metropolitan area in the U.S. as of 2020. It uses the Whitehall Township ZIP Code of 18052.

The Lehigh River is a 109-mile-long (175 km) tributary of the Delaware River in eastern Pennsylvania. The river flows in a generally southward pattern from the Pocono Mountains in Northeastern Pennsylvania through Allentown and much of the Lehigh Valley before enjoining the Delaware River in Easton.

Northampton is a borough in Northampton County, Pennsylvania. Its population was 10,395 as of the 2020 census. Northampton is located 7.8 miles (12.6 km) north of Allentown, 66.7 miles (107.3 km) northwest of Philadelphia, and 93.8 miles (151.0 km) west of New York City.

The Lehigh Line is a railroad line in central New Jersey, Northeastern Pennsylvania, and the Lehigh Valley region of eastern Pennsylvania. It is owned and operated by the Norfolk Southern Railway. The line runs west from the vicinity of the Port of New York and New Jersey via Conrail's Lehigh Line to the Susquehanna River valley at the south end of the Wyoming Valley Coal Region. Administratively, it is part of Norfolk Southern's Keystone Division and is part of the Crescent Corridor. As of 2021 the line is freight-only, although there are perennial proposals to restore passenger service over all or part of the line.

U.S. Route 22 is an east–west U.S. highway that stretches from Cincinnati, Ohio, in the west, to Newark, New Jersey, in the east. In Pennsylvania, the route runs for 338.20 miles (544.28 km) between the West Virginia state line in Washington County, where it is a freeway through the western suburbs of Pittsburgh, and then all the way to the Pennsylvania-New Jersey state line in the Lehigh Valley at Easton in the east.

Pennsylvania Route 29 is a 118-mile-long (190 km) north–south state highway that runs through most of eastern Pennsylvania.

Coplay is a borough in Lehigh County, Pennsylvania. Coplay's population was 3,348 at the 2020 census. It is located six miles (10 km) northwest of Allentown. The borough is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th most populous metropolitan area in the U.S. as of the 2020 census.

Mickleys is an unincorporated community in Whitehall Township in Lehigh County, Pennsylvania. The village was named after the family of John Jacob Mickley (1697–1769), who settled here in 1745. It is located along Pennsylvania Route 145, also known as MacArthur Road. It is part of the Lehigh Valley, which has a population of 861,899 and is the 68th most populous metropolitan area in the U.S. as of the 2020 census.

State Route 1002 (SR 1002), locally known as Tilghman Street and Union Boulevard, is a major 13.8 mi (22.2 km) long east–west road in the Lehigh Valley area of the U.S. state of Pennsylvania. The majority of the roadway is the former alignment of U.S. Route 22, maintained by the Pennsylvania Department of Transportation as a Quadrant Route, and is not signed except on small white segment markers.

Pennsylvania Route 45 is an 86-mile-long (138 km) state highway located in central Pennsylvania, United States. PA 45 is called the Purple Heart Highway. The western terminus of the route is at PA 453 in Morris Township near the community of Water Street. The eastern terminus is at PA 642 west of the small town of Mooresburg.

Lehigh County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the county's population was 374,557. Its county seat is Allentown, the state's third largest city after Philadelphia and Pittsburgh.

Pennsylvania Route 873 is a north-south, two-lane road in the Lehigh Valley region of Pennsylvania, mainly located in northern Lehigh County with a small section in Northampton County. Its southern terminus is at PA 309 in Schnecksville. Its northern terminus is at PA 248 in the Lehigh Township hamlet of Weiders Crossing. The route runs through rural areas in northern Lehigh County, intersecting the western terminus of PA 329 in Neffs. PA 873 passes through Slatington as Main Street before it crosses the Lehigh River into Northampton County and immediately reaches its northern terminus south of Lehigh Gap in Blue Mountain.

Allentown is a city in Lehigh County in the Commonwealth of Pennsylvania, United States. The city had a population of 125,845 at the 2020 census. Allentown is the fastest-growing major city in Pennsylvania and the state's third-largest city after Philadelphia and Pittsburgh. It is the largest city in both Lehigh County and the Lehigh Valley, which had a population of 861,899 and was the 68th most populous metropolitan area in the United States as of 2020. Allentown was founded in 1762 and is the county seat of Lehigh County.

Slatington is a borough in Lehigh County, Pennsylvania. As of the 2010 census, it had a population of 4,232. Slatington is located northwest of Allentown and Bethlehem. Slatington is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was thus the 68th most populous metropolitan area in the U.S. as of the 2020 census.

Pennsylvania Route 145 is a 20.89 mi (33.62 km) long north–south state highway in the Lehigh Valley area of eastern Pennsylvania. It connects Interstate 78 (I-78) and PA 309 in Lanark, Lehigh County, north to PA 248 in Lehigh Gap, Northampton County.

Walnutport is a borough in Northampton County, Pennsylvania. It was first incorporated in 1909. The population of Walnutport was 2,067 at the 2020 census.

Northampton County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 312,951. Its county seat is Easton. The county was formed in 1752 from parts of Bucks County. Its namesake was the county of Northamptonshire in England, and the county seat of Easton was named for the country house Easton Neston in Northamptonshire.

Pennsylvania Route 987 is a state highway in the Lehigh Valley region of the U.S. state of Pennsylvania. It runs 10.3 mi (16.6 km) from U.S. Route 22 near the Lehigh Valley International Airport north of Allentown north to PA 946 in Klecknersville. The route begins at a cloverleaf interchange with the US 22 freeway north of Allentown in Lehigh County and heads to the east of the airport as a four-lane divided highway called Airport Road as it crosses into Northampton County. PA 987 narrows to a two-lane undivided road and continues north, becoming concurrent with PA 329 as it heads into Bath. Here, PA 329 ends and PA 987 briefly runs concurrent with PA 248 before leaving the borough. PA 987 continues northwest and serves Chapman before ending at PA 946. PA 987 was first designated in the 1930s between US 22 in Allentown and PA 946 in Klecknersville. After US 22 was relocated to its present freeway alignment in 1955, the southern terminus of PA 987 was cut back to its interchange with US 22, which used to carry Interstate 78 (I-78) as well. In the early 2000s, PA 987 was widened into a divided highway and shifted to a new alignment near the Lehigh Valley International Airport.

Bath is a borough in Northampton County, Pennsylvania. As of the 2020 census, Bath had a population of 2,808. It is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th most populous metropolitan area in the U.S. as of the 2020 census.

Pennsylvania Route 248 is a 31.3 mi (50.4 km) long state highway in the eastern part of the U.S. state of Pennsylvania. The western terminus of the route is at U.S. Route 209 in Weissport East, a CDP in Franklin Township. The eastern terminus is at PA 611 in Easton. The route begins at US 209 in Carbon County and heads southeast parallel to the Lehigh River as a four-lane divided highway to Bowmanstown, where it becomes a freeway and heads through Palmerton. Upon crossing Lehigh Gap in Blue Mountain, PA 248 enters Northampton County and becomes a two-lane undivided highway that heads southeast through rural areas, serving Bath and Nazareth. From here, the route runs southeast through suburban areas to Wilson, where it turns east and follows city streets through Easton.

Pennsylvania Route 512 is a 26.1-mile-long (42.0 km) state route in Northampton County in the Lehigh Valley region in eastern Pennsylvania. The southern terminus is at U.S. Route 22 north of Bethlehem in Hanover Township. The northern terminus is at PA 611 in Upper Mount Bethel Township. The route heads north from US 22 to Bath, where it intersects PA 248. From here, PA 512 continues northeast and intersects PA 946 in Moorestown before it reaches an interchange with the PA 33 freeway in Wind Gap. The route heads east through the northern Northampton County boroughs of Wind Gap, Pen Argyl, Bangor, and East Bangor, intersecting PA 191 in Bangor. Past here, PA 512 continues east to PA 611.

A concurrency in a road network is an instance of one physical roadway bearing two or more different route numbers. When two roadways share the same right-of-way, it is sometimes called a common section or commons. Other terminology for a concurrency includes overlap, coincidence, duplex, triplex, multiplex, dual routing or triple routing.