Kinuura Tunnel (衣浦トンネル, kinuura tonneru) is an undersea tunnel for cars and pedestrians which connects Handa, Aichi with Hekinan, Aichi under the Mikawa Bay at Kinuura Port. The tunnel provides 2 lanes of road going in each direction, and a separate pedestrian tunnel. The pedestrian tunnel plays a radio broadcast, and it is accessible by 11 flights of stairs on either side.