Pennsylvania Route 191 (PA 191) is a -long state highway in the U.S. state of Pennsylvania. The route, a major non-freeway corridor connecting the Lehigh Valley to the Pocono Mountains in eastern Pennsylvania, is designated from U.S. Route 22 (US 22) in Brodhead near the city of Bethlehem to the New York state line over the Delaware River at Hancock, New York. Commissioned on April 17, 1961, the route replaced the PA 12 and PA 90 numbers that were in place from the late 1920s to the 1960s. From 1961 to 1976, PA 191 was routed south of US 22 through Bethlehem and terminated at PA 309 in Center Valley. PA 378 replaced the designation from Center Valley to the Lehigh River crossing in Bethlehem. Route description Northampton County PA 191 begins along Nazareth Pike at an interchange with the US 22 freeway in Bethlehem Township, Northampton County in the Lehigh Valley. South of US 22, Nazareth Pike continues as State Route 3015, an unsigned quadrant route, to the city of Bethlehem, where it becomes Linden Street. From the interchange, PA 191 heads north-northeast along two-lane undivided Nazareth Pike and runs through the community of Brodhead, passing businesses a short distance to the east of Monocacy Creek. The road crosses into Lower Nazareth Township and crosses the creek twice as it passes more commercial development with some woods and homes, passing through the community of Hecktown. In the community of Newburg, the route intersects the eastern terminus of PA 946 and heads through farmland with some residences. PA 191 passes to the east of the former Nazareth Speedway and heads past businesses before reaching an intersection with PA 248 on the southern border of the borough of Nazareth. At this point, PA 191 turns east for a concurrency with PA 248 on Easton Road, forming the border between Nazareth to the north and Lower Nazareth Township to the south before fully entering Nazareth. PA 191 splits from PA 248 by turning north onto South Broad Street and crossing Norfolk Southern's Cement Secondary before continuing into residential areas. The route heads into the downtown area of Nazareth, where it turns east onto East Center Street. PA 191 heads past more homes, turning north onto North New Street. The road leaves Nazareth for Upper Nazareth Township and curves to the east-northeast as East Lawn Road, passing residences and businesses in the community