Route 10 is a 23.51 mi (37.84 km) state highway in the northern part of the U.S. state of New Jersey. It runs from an intersection with U.S. Route 46 (US 46) in Roxbury Township, Morris County east to County Route 577 (CR 577)/CR 677 (Prospect Avenue) in West Orange, Essex County. Route 10 is a major route through northern New Jersey that runs through Ledgewood, East Hanover, and Livingston. It is a four-lane highway for most of its length with the exception of the easternmost part of the route. Route 10 features intersections with many major roads including Route 53 and US 202 in Morris Plains and Interstate 287 (I-287) in Hanover Township.