page_title: Pennsylvania Route 45
section_title: Union, Northumberland, and Montour counties
hierarchical_section_title: Pennsylvania Route 45 / Route description / Union, Northumberland, and Montour counties
caption_attribution_description: English: Pennsylvania Route 45 in Liberty Township, Montour County, Pennsylvania
context_page_description: Pennsylvania Route 45 is an 86-mile-long state highway located in central Pennsylvania, United States. PA 45 is called the Purple Heart Highway. The western terminus of the route is at PA 453 in Morris Township near the community of Water Street. The eastern terminus is at PA 642 west of the small town of Mooresburg.
context_section_description: PA 45 enters Hartley Township in Union County and curves southeast as Old Turnpike Road, continuing through the Bald Eagle State Forest. The road winds southeast before it turns east and leaves the state forest, coming to an intersection with the northern terminus of PA 235. The route heads into a mix of farmland and woodland with some homes, curving to the southeast before turning back to the east. PA 45 passes through agricultural areas before it crosses into the borough of Hartleton. Here, the road becomes Main Street and is lined with homes along with a few businesses. The route leaves Hartleton for Lewis Township and becomes Old Turnpike Road again, passing through farmland with some residences and businesses. PA 45 becomes the border between West Buffalo Township to the north and Limestone Township to the south, continuing east through agricultural land with some development. The road bends to the east-northeast before it enters the borough of Mifflinburg. Here, the route becomes Chestnut Street and passes commercial development, coming to an junction with the northern terminus of PA 104. PA 45 becomes lined with homes and turns to the northeast. The road reaches the commercial downtown of Mifflinburg, where it reaches an intersection with the western terminus of PA 304. Following this, the route continues through residential areas before it heads into business areas as a three-lane road with a center left-turn lane, becoming the border between West Buffalo Township to the north and Mifflinburg to the south.
  PA 45 enters Buffalo Township, where it becomes two-lane undivided Old Turnpike Road. The road passes northeast through farmland with some residential and commercial development. The route continues through agricultural areas with some development, passing through the residential community of Vicksburg. PA 45 heads into East Buffalo Township and runs east through farm fields with some residential development, with the Buffalo Valley Rail Trail parallel to the north. The road gains a center left-turn lane and heads into a mix of homes and businesses, with the road name changing to West Market Street. The route narrows to two lanes and passes through residential areas in the community of Linntown before coming to an intersection with US 15. Upon crossing US 15, PA 45 enters the borough of Lewisburg and heads northeast past homes along Market Street. The road crosses a Union County Industrial Railroad line and continues into the commercial downtown of Lewisburg. The route passes through the downtown before it runs through residential areas and comes to a bridge over the West Branch Susquehanna River.
  Upon crossing the West Branch Susquehanna River, PA 45 enters West Chillisquaque Township in Northumberland County and becomes an unnamed road, immediately coming to an intersection with PA 405 in the community of East Lewisburg. The road heads east through wooded areas before it reaches the community of Montandon, where it becomes Main Street. The route passes through residential areas with some businesses in Montandon, crossing Norfolk Southern's Buffalo Line. PA 45 leaves Montandon and comes to a diamond interchange with the PA 147 freeway. Past this interchange, the road becomes Purple Heart Highway and runs through farmland with some homes, curving to the northeast. The route turns east and crosses the Chillisquaque Creek into East Chillisquaque Township, passing through a mix of farm fields and woodland to the south of the creek. The road heads away from the creek and crosses into Liberty Township in Montour County, running through agricultural areas with some trees and residences. PA 45 turns northeast into wooded areas with some farm fields and comes to its eastern terminus at an intersection with PA 642.
caption: PA 45 in Liberty Township, Montour County
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