High Quality Content by WIKIPEDIA articles! Route 64 is a 0.32-mile (0.51 km) long state highway in the U.S. state of New Jersey. It is a state-maintained bridge over Amtrak and New Jersey Transit`s Northeast Corridor line in West Windsor. Route 64 begins at an intersection with County Route 526 and County Route 571 in West Windsor. It heads along the bridge to an intersection with County Route 615, where Route 64 ends. County routes 526 and 571, which are unofficially concurrent with Route 64, continues to Hightstown.