Ireland, T.J.; Rock, T.A.; Hoyland, P. (2007). "Planning and design of the A3 Hindhead tunnel, Surrey, UK". In Barták, Jirí; Hrdina, Ivan; Romancov, Georgij; Zlámal, Jaromír (eds.). Underground Space — the 4th Dimension of Metropolises(PDF). London: Taylor & Francis Group. pp. 1001–1007. ISBN978-0-4154-0807-3. Archived from the original(PDF) on 2 April 2012. Retrieved 13 September 2011.
"Tunnel Vision". Joint publication by contractors, land owners and local government. Archived from the original on 17 August 2011. Retrieved 9 August 2011.
Ireland, T.J.; Rock, T.A.; Hoyland, P. (2007). "Planning and design of the A3 Hindhead tunnel, Surrey, UK". In Barták, Jirí; Hrdina, Ivan; Romancov, Georgij; Zlámal, Jaromír (eds.). Underground Space — the 4th Dimension of Metropolises(PDF). London: Taylor & Francis Group. pp. 1001–1007. ISBN978-0-4154-0807-3. Archived from the original(PDF) on 2 April 2012. Retrieved 13 September 2011.
"Tunnel Vision". Joint publication by contractors, land owners and local government. Archived from the original on 17 August 2011. Retrieved 9 August 2011.