Diane10981 on Flickr Queensway Tunnel. Engineer in chief Sir Basil Mott. Worlds largest underwater road tunnel constructed 1926-1934 above the mouth of the Queensway tunnel, Liverpool by Institution of Civil Engineers Colour: blue Wikimedia: Flickr: How to add yours sgwarnog2010 on Flickr TonyMo22 on Flickr sgwarnog2010 on Flickr Google Streetview OpenStreetMap See also... Peter Hughes on Flickr Simon Harriyott on Flickr newcastleplaques on Flickr newcastleplaques on Flickr