The Berlin Circle was a traffic circle in Berlin Township, New Jersey, United States located at the intersection of Route 73, Berlin-Cross Keys Road and Walker Avenue, and which also received traffic from nearby U.S. Route 30, and County Route 561. The New Jersey Department of Transportation (NJDOT) began replacement of the circle in August 2006. The project cost $73 million. The circle was replaced with an at-grade intersection with traffic signals.