No Interstate, U.S., state or significant county highways serve Greenwich Township. The only numbered routes are minor county roads such as County Route 620.Cumberland County Route 620 Straight Line Diagram, New Jersey Department of Transportation, updated August 2011. Accessed February 14, 2023.Cumberland County Highway Map, New Jersey Department of Transportation. Accessed February 14, 2023.
No Interstate, U.S., state or significant county highways serve Greenwich Township. The only numbered routes are minor county roads such as County Route 620.Cumberland County Route 620 Straight Line Diagram, New Jersey Department of Transportation, updated August 2011. Accessed February 14, 2023.Cumberland County Highway Map, New Jersey Department of Tran,sportation. Accessed February 14 2023.