Marietta to Lititz PA 772 begins at an intersection with
PA 441 north of the borough of
Marietta in
East Donegal Township,
Lancaster County, where Waterford Avenue continues south into Marietta. From here, the route heads northeast on two-lane undivided Anderson Ferry Road, passing through agricultural areas with some trees and homes. The road crosses
Donegal Creek and continues through rural land before it heads into residential areas and passes to the east of Donegal Heights and to the west of
Donegal High School. PA 772 heads into the borough of
Mount Joy and becomes Marietta Avenue, running past multiple homes and turning to the east-northeast. The route passes over
Amtrak's
Keystone Corridor railroad line east of
Mount Joy station before it comes to an intersection with
PA 230. At this point, PA 772 turns west to form a
concurrency with PA 230 on East Main Street, passing through the residential and commercial downtown. The road becomes West Main Street upon crossing Market Street. PA 772 splits from PA 230 by heading northeast on Manheim Street, passing homes before crossing a
Norfolk Southern railroad spur at-grade in an industrial area. The road continues through residential areas and forms the border between
Mount Joy Township to the northwest and Mount Joy to the southeast before it crosses
Little Chiques Creek into
Rapho Township. At this point, the route becomes Mt. Joy Road and passes through farmland with some residential and commercial development, briefly gaining a
center left-turn lane between the Elmcrest Boulevard and Strickler Road intersections. PA 772 heads east and comes to a
diamond interchange with the
PA 283 freeway. The road continues northeast through agricultural areas with occasional development, coming to the residential community of Sporting Hill. The route continues into a mix of fields and woods with some homes, curving to the north. PA 772 enters the borough of
Manheim, where it becomes West High Street and runs through residential areas. The route heads into the commercial downtown and becomes Market Square, a
divided highway with a
town square and parking spaces in the median. In the center of Manheim, PA 772 intersects
PA 72 and turns southeast for a concurrency with that route on two-lane undivided South Main Street, passing more downtown businesses before becoming lined with homes. The road crosses Norfolk Southern's Lititz Secondary railroad line at-grade and enters commercial areas, where PA 772 splits from PA 72 by heading east on
Fruitville Pike. The route crosses
Chiques Creek and heads into
Penn Township, where it heads southeast through farmland with some trees and homes. PA 772 splits from Fruitville Pike by turning northeast onto Temperance Hill Road, heading through agricultural areas and bending southeast. The road continues through rural areas and curves east to enter
Warwick Township. At this point, the route becomes West Orange Street and runs between farmland to the north and residential neighborhoods to the south. PA 772 continues into the borough of
Lititz and passes south of
Warwick High School, running past more homes. In the center of town, the route intersects
PA 501 and turns north for a concurrency with that route on South Broad Street, passing downtown homes and businesses. PA 772 splits from PA 501 by heading east along East Main Street, where a small town square is located in the middle of the road. The route continues as a two-lane undivided road past more of the downtown before it heads into residential areas, passing north of the
Linden Hall boarding school. The route heads south as a two-lane undivided road and runs through the community of
Brownstown, where it passes homes and a few businesses along State Street. PA 772 crosses the
Conestoga River and runs through the residential community of
Talmage, where it curves southeast. The road heads into agricultural areas with occasional homes, with the name changing to Glenbrook Road. The route turns south and passes through the community of Center Square, at which point it enters
Upper Leacock Township. The road continues through rural land before heading into the community of
Leacock, where it passes homes and a few businesses before coming to
PA 23. At this point, PA 772 turns east for a concurrency with PA 23 on West Main Street, lined with homes. PA 772 splits from PA 23 in
Leola by heading southeast along Newport Road, turning south and passing through a mix of industrial areas and homes. The road crosses Norfolk Southern's
New Holland Secondary at-grade and continues through a mix of farmland and industrial and commercial development, bending southeast. The route widens to a four-lane divided highway and comes to an incomplete interchange with the unbuilt
Goat Path Expressway, with a bridge over the right-of-way. PA 772 narrows back to a two-lane undivided road and passes through the residential community of Monterey and continues through agricultural areas, crossing
Mill Creek into
Leacock Township near the community of Mascot. The road runs through farmland and makes several turns to the east and south. The route heads southeast and enters the community of
Intercourse, where it passes residences and turns south to an intersection with
PA 340. Here, PA 772 turns east to join PA 340 on Main Street, a three-lane road with a center left-turn lane that passes homes and businesses. PA 772 splits from PA 340 at a Y-intersection by continuing southeast along Newport Road, passing through residential areas. The road leaves Intercourse and runs through agricultural land with scattered residences, heading southwest of
Pequea Valley High School. The route crosses
Pequea Creek into
Salisbury Township and continues through rural areas, passing through the community of Buyerstown. PA 772 reaches its eastern terminus at an intersection with
US 30 (
Lincoln Highway) to the west of the community of
Gap. At this junction, the route crosses the westbound lanes of US 30 before ending at the eastbound lanes of US 30. ==History==