Braunston Tunnel ft (2.13 m) beam boats to pass. There are three air shafts along its length. The tunnel passes underground alongside another Grand Union Canal feature, Drayton Reservoir, from which the feeder enters the canal at the east end of the tunnel. Braunston Tunnel Braunston Tunnel is on the Grand Union Canal about 830 yds (760 m) east of Braunston, Northamptonshire, England top lock. It is in the northern outskirts of Daventry, about 2 km east of the village of Braunston. Braunston Tunnel is 2,042 yards (1,867 m) in length. Built by Jessop and Barnes, the tunnel has no towpath and
Stad Ship Tunnel Norwegian Coastal Administration concluded that a tunnel would not be economical. It looked at two sizes, small and large, which would cost respectively. The report concluded that the utility, including saved waiting costs, for shippers have a present value of , respectively, and in saved accident costs. A similar report from 2007 concluded that the tunnel would be economical. The Coastal Administration stated that the differences were because of new and better data. Stad Ship Tunnel The Stad Ship Tunnel () is a proposed canal and tunnel to bypass the Stad peninsula in Selje Municipality in Sogn og Fjordane county,