Pennsylvania Route 87 is a 70 miles (112.7 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 northern Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

. The southern terminus of the route is at exit 21 of Interstate 180

Interstate 180 (Pennsylvania)

Interstate 180 is a spur highway that connects Williamsport, Pennsylvania to Interstate 80 near Milton, Pennsylvania. The length of the highway is . It was also the designation of present-day Interstate 176 between Morgantown, Pennsylvania and Reading, when the Pennsylvania Turnpike carried the...

 and U.S. Route 220 in Montoursville

Montoursville, Pennsylvania

Montoursville is a borough in Lycoming County, Pennsylvania, in the United States. As of the 2000 census, the borough population was 4,777. It is part of the Williamsport, Pennsylvania Metropolitan Statistical Area. It was named for Madame Montour, a Native American leader and skilled interpreter...

. The northern terminus is at U.S. Route 6 in Washington Township

Washington Township, Wyoming County, Pennsylvania

Washington Township is a township in Wyoming County, Pennsylvania, United States. The population was 1,306 at the 2000 census.-Geography:According to the United States Census Bureau, the township has a total area of 19.3 square miles , of which, 18.7 square miles of it is land and...

.

The road is called Loyalsock Avenue at its southern terminus in Montoursville. It joins PA 154

Pennsylvania Route 154

Pennsylvania Route 154 is a 32-mile-long northwest-southeast state highway located in northern Pennsylvania. The southern terminus is at U.S. Route 220 in Laporte. The northern terminus of the route is at PA 414 in Canton....

 for 200 yards (182.9 m) in Forksville

Forksville, Pennsylvania

Forksville is a borough in Sullivan County, Pennsylvania, United States. The population was 145 at the 2010 census. It is the home of the 150 year old Forksville General Store, down the road from the Sullivan County Fairgrounds, and near Worlds End State Park...

 and US 220

U.S. Route 220

U.S. Route 220 is a long U.S. Route in the eastern United States.US 220 is a spur route of U.S. Route 20 but at present, the two routes do not intersect nor do they connect via other spurs of US 20. The former U. S. Route 120, which was signed in Pennsylvania between 1926 and 1967, intersected...

 for 1200 yards (1,097.3 m) in Dushore

Dushore, Pennsylvania

Dushore is a borough in Sullivan County, Pennsylvania, in the United States. The population was 608 at the 2010 census. Dushore is home to Sullivan County's only traffic light.-Geography:Dushore is located at ....

, where it is known as South German Street. While in Dushore, it serves as the northern terminus of PA 487

Pennsylvania Route 487

Pennsylvania Route 487 is a long, north–south state highway running from PA 61 in Shamokin Township, Northumberland County to PA 87 in Dushore, Sullivan County. In Bloomsburg, PA 487 and US 11 share a brief wrong-way concurrency...

, and is also known as East Main Street, Beech Street, and Carpenter Street.

Major intersections