Pennsylvania Route 45

Pennsylvania Route 45
Map of central Pennsylvania with PA 45 in red and truck alternates in blue
Route information
Maintained by PennDOT
Length	86 mi[1] (138 km)
Major junctions
West end	PA 453 in Water Street
Major intersections	PA 350 near Spruce Creek PA 26 near State College US 322 in Boalsburg PA 144 near Centre Hall PA 235 near Laurelton PA 104 in Mifflinburg PA 304 in Mifflinburg US 15 in Lewisburg PA 405 near Lewisburg PA 147 in Montandon
East end	PA 642 near Mooresburg
Location
Country	United States
State	Pennsylvania
Counties	Huntingdon, Centre, Union, Northumberland, Montour
Highway system
Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 44 → US 46
← PA 976 → PA 978

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

PA 45 is also known as the Purple Heart Highway.