Pennsylvania Route 148 is an 6 miles (9.7 km) long, north–south state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 located in Allegheny County, Pennsylvania

Allegheny County, Pennsylvania

Allegheny County is a county in the southwestern part of the U.S. state of Pennsylvania. As of the 2010 census, the population was 1,223,348; making it the second most populous county in Pennsylvania, following Philadelphia County. The county seat is Pittsburgh...

. The southern terminus is at PA 48

Pennsylvania Route 48

Pennsylvania Route 48 is long state highway located in the Pittsburgh, Pennsylvania area. The route is predominantly a two-lane highway as it runs through McKeesport and other suburbs. The entire routing of PA 48 is part of the Orange Belt, both reaching their southern terminus at Pennsylvania...

 in Versailles

Versailles, Pennsylvania

Versailles is a borough in Allegheny County, Pennsylvania, United States. The population was 1,515 at the 2010 census. Despite being named after the extraordinary Palace of Versailles, the name of the borough is almost universally pronounced ver-sales by residents of the area.-Geography:Versailles...

. The northern terminus is at US 30

U.S. Route 30

U.S. Route 30 is an east–west main route of the system of United States Numbered Highways, with the highway traveling across the northern tier of the country. It is the third longest U.S. route, after U.S. Route 20 and U.S. Route 6. The western end of the highway is at Astoria, Oregon; the...

 in East McKeesport

East McKeesport, Pennsylvania

East McKeesport is a borough in Allegheny County, Pennsylvania, United States, and is part of the Pittsburgh Metro Area. The population was 2,126 at the 2010 census.-Geography:East McKeesport is located at ....

.

Route description

The street names along PA 148 include Walnut Street, Lysle Boulevard, and 5th Avenue

PA 148 begins in the town of Versailles, and goes northwest, paralleling the Youghiogheny River

Youghiogheny River

The Youghiogheny River , or the Yough for short, is a tributary of the Monongahela River in the U.S. states of West Virginia, Maryland, and Pennsylvania...

 to the town of McKeesport. At downtown McKeesport, 148 turns east to parallel the Monongahela River

Monongahela River

The Monongahela River is a river on the Allegheny Plateau in north-central West Virginia and southwestern Pennsylvania in the United States...

 to Bowman Ave. The route continues northeast to the town to East McKeesport where it terminates at US 30.

Two of the Allegheny County Belt routes connect with PA 148. The Yellow Belt runs along PA 148 for 4 miles from Walnut St. in downtown McKeesport to its northern terminus at U.S. 30 in North Versailles. The Orange Belt intersects with PA 148's southern terminus

History

The route was first signed in 1928, from the current PA 48 alignment to US 30.. In the 1950s, the route changed alignment to its current route, with minor fluctuations through the years.

Major intersections

PA 148 Truck

Pennsylvania Route 148 Truck is a 1 miles (1.6 km) long truck route located in Allegheny County in Pennsylvania. The entire route lies in the town of McKeesport. There have been times where the route was unsigned, but in 2006, markers were erected. The route follows Market Street, three blocks to the west and significantly wider than Walnut Street, which mainline Route 148 follows.