It is being constructed by the New York City Department of Environmental Protection (DEP), the tunnel will eventually be more than 60 miles long and was started in 1970 and is expected to be complete in 2020.
It is being constructed by the New York City Department of Environmental Protection (DEP), the tunnel will eventually be more than 60 miles long. It is being constructed by the New York City Department of Environmental Protection (DEP), the tunnel was started in 1970. It is being constructed by the New York City Department of Environmental Protection (DEP). This was what the tunnel is expected to be complete in 2020.