 U.S. Route 202 crosses the Passaic River into Harding Township, Morris County, where the route becomes Mt. Kemble Avenue. The NJDOT replaced this bridge with a new bridge built in seven days during August 2012. The new bridge was designed by AmerCom Corporation and built by Joseph M. Sanzari, Inc. utilizing Accelerated Bridge Construction techniques. In Harding Township, the road runs north through mostly runs through wooded residential and commercial areas, closely paralleling Interstate 287, which runs to the east of U.S. Route 202. It heads into more heavily wooded areas, running to the east of Morristown National Historical Park, before continuing northeast into Morris Township. Here, U.S. Route 202 continues through woodland, but residences start to increase along the road and it passes by an industrial facility. It passes by the Spring Brook Country Club before crossing into Morristown. Upon entering Morristown, the route heads toward the downtown area, where it splits into a one-way pair following Market Street northbound and Bank Street southbound. The one-way pair comes to Park Place, a square in the center of Morristown, where U.S. Route 202 meets County Route 510 and Route 124. County Route 510 heads west from the square on Washington Street and east from the square on Morris Street, while Route 124 heads east from the square on South Street. Meanwhile, U.S. Route 202 continues north from Park Place on Speedwell Avenue, a two-lane road that heads past numerous downtown businesses. The route then leaves the downtown area, heading through residential neighborhoods and crossing the Whippany River before leaving Morristown and crossing back into Morris Township, where it briefly passes through an area of businesses. At the intersection with County Route 650 (Hanover Avenue), U.S. Route 202 crosses into Morris Plains, where it continues north through suburban commercial and residential areas. The route passes under New Jersey Transit ’ s Morristown Line near the Morris Plains Station and intersects the southern terminus of Route 53 (Tabor Road).
