U.S. Route 1 passes through the eastern side of Heathcote, leading northeast to New Brunswick, the Middlesex county seat, and southwest to Trenton, the state capital. New Jersey Route 27 (Lincoln Highway) runs along the northwestern edge of Heathcote, forming the county line in places. Route 27 leads northeast to New Brunswick and southwest to Princeton borough. County Route 522 (Promenade Boulevard) runs east-west through Heathcote, connecting Routes 1 and 27.
U.S. Route 1 passes through the eastern side of Heathcote, leading northeast to New Brunswick, the Middlesex county seat and southwest to Trenton, the state capital. New Jersey Route 27 (Lincoln Highway) runs along the northwestern edge of Heathcote, forming the county line in places. Route 27 leads northeast to New Brunswick and southwest to Princeton borough. County Route 522 (Promenade Boulevard) runs east-west through Heathcote, connecting Routes 1 and 27.