Pennsylvania Route 926 is a 26.2-mile-long (42.2 km) state route located west of Philadelphia in Chester County, Pennsylvania. The western terminus of the route is at PA 10 in Upper Oxford Township. The eastern terminus is at PA 3 in the Philadelphia suburb of Willistown Township. The route is known as Street Road for its entire length. For 0.9 miles (1.4 km), PA 926 runs along the county line between Delaware and Chester counties. The route passes through a mix of suburban and rural areas along its extent. PA 926 is two lanes and undivided its entire length.

Chester County, colloquially referred to as Chesco, is a county in the Commonwealth of Pennsylvania. It is located in the Delaware Valley region, located in the southeastern part of the state. As of the 2020 census, the population was 545,823(As of 2022), increasing by 7.1% from 498,886 in 2010. The county seat is the Borough of West Chester. The most populous of its 73 municipalities is Tredyffrin Township. The most populous boroughs are West Chester and Phoenixville. Coatesville is the only municipality in the County organized under the City form of government, a technical rather than demographic distinction. Chester County was one of the three original Pennsylvania counties created by William Penn in 1682. It was named for Chester, England. The county is part of the Southeast Pennsylvania region of the state.