The Kingsway Tunnel is a road tunnel located in Liverpool, England. It runs beneath the River Mersey, connecting the city center to the southern suburbs. Opened in 1971, the tunnel is an essential part of the local transport network, allowing vehicles to travel efficiently across the river. The tunnel is approximately 1.5 miles long and features two lanes for traffic in each direction. It is a vital route for commuters and commercial vehicles, helping to reduce congestion on surface roads. The Kingsway Tunnel is one of two major tunnels under the River Mersey, the other being the Queensway Tunnel.