Garrett County is the westernmost county of the U.S. state of Maryland completely within the Appalachian Mountains. As of the 2020 census, the population was 28,806, making it the third-least populous county in Maryland. Its county seat is Oakland. The county was named for John Work Garrett (1820–1884), president of the Baltimore and Ohio Railroad. Created from Allegany County in 1872, it was the last county to be formed in the state.
The National Road was the first major improved highway in the United States built by the federal government. Built between 1811 and 1837, the 620-mile (1,000 km) road connected the Potomac and Ohio Rivers and was a main transport path to the West for thousands of settlers. When improved in the 1830s, it became the second U.S. road surfaced with the macadam process pioneered by Scotsman John Loudon McAdam.
Elizabeth is a borough in Allegheny County, Pennsylvania, United States, on the east bank of the Monongahela River, where Pennsylvania Route 51 crosses, 15 miles (24 km) upstream (south) of Pittsburgh and close to the county line. The population was 1,398 at the 2020 census. The borough of Elizabeth is entirely contained within the 15037 USPS ZIP code. The local school district is the Elizabeth Forward School District. The borough is home to neighborhoods Walker Heights and Town Hill. Elizabeth Borough is the birthplace of Town Hill Hockey established in 1978.
Versailles is a borough in Allegheny County, Pennsylvania, United States. At the 2020 census, the population was 1,476.
Dawson is a borough in Fayette County, Pennsylvania, United States. The population was 352 at the 2020 census, a decline from the figure of 367 tabulated in 2010.
Lower Tyrone Township is a township in Fayette County, Pennsylvania, United States. The population was 1,069 at the time of the 2020 census.
Springfield Township is a township in Fayette County, Pennsylvania, United States. The population was 2,731 at the 2020 census. The Connellsville Area School District serves the township.
Sewickley Township is a township in Westmoreland County, Pennsylvania, United States. The population was 5,590 at the 2020 census.
Smithton is a borough in Westmoreland County, Pennsylvania, United States. The population was 399 at the 2010 census. As of 2018, the population was listed at 378. Smithton has its own post office, with zip code 15479, and is serviced by Yough School District.
Sutersville is a borough in Westmoreland County, Pennsylvania, United States. The population was 605 at the 2010 census.
West Newton, located 24.5 miles (39.4 km) southeast of Pittsburgh, is a borough in Westmoreland County in the U.S. state of Pennsylvania. Formerly, the manufacture of radiators and boilers were the chief industries. The population was 2,633 at the 2010 census.
The Youghiogheny River Lake is a flood control reservoir that is located in southwestern Pennsylvania and western Maryland. It is a significant tourist attraction that brings in more than one million visitors a year to the area.
The Smithton High-Level Bridge is a structure that crosses the Youghiogheny River between South Huntingdon Township and Rostraver Township.
The Boston Bridge is a structure that crosses the Youghiogheny River between Versailles and Elizabeth Township, Pennsylvania. Its name is derived from the Massachusetts city only indirectly: the bridge is named for the Boston neighborhood of Elizabeth Township, which in turn was named for the New England city.
The Memorial Bridge is a structure that crosses the Youghiogheny River, connecting the eastern and western shores of Connellsville, Pennsylvania, US.
The Fifteenth Street Bridge is a girder bridge across the Youghiogheny River connecting the Pittsburgh industrial suburbs of Port Vue and McKeesport, Pennsylvania. The 1995 structure replaced a 1906 truss bridge. The bridge's length is significantly longer than that of several surrounding structures because its crosses both the river and a large water treatment facility.
The P&LE Liberty Boro Bridge is a girder bridge across the Youghiogheny River connecting the Pittsburgh industrial suburbs of Liberty and McKeesport, Pennsylvania. In 1968, the Pittsburgh & Lake Erie Railroad undertook a major construction project in conjunction with the B&O Railroad to clear tracks from downtown McKeesport. These tracks caused traffic congestion and posed a safety hazard. As a result, both this bridge and the nearby P&LE McKeesport Bridge were created to direct rail traffic to the west bank of the river, which featured a less confusing street grid.
The West Newton Bridge is a structure that crosses the Youghiogheny River between the eastern and western portions of West Newton, Pennsylvania.
Smithdale is an unincorporated community and coal town in Allegheny County, Pennsylvania, United States. It is located in Elizabeth Township in the southeastern corner of Allegheny County, along the south bank of the Youghiogheny River. Immediately to the southeast is Collinsburg in Westmoreland County. To the north across the river is Sutersville, also in Westmoreland County.
The Ohiopyle Low Bridge is an American structure that carries the Great Allegheny Passage trail across the Youghiogheny River in Ohiopyle, Pennsylvania.
