Crossrail: Tunnels and surface lines

http://www.crossrail.co.uk/route,
http://en.wikipedia.org/wiki/Crossrail#Tunnel_boring_machines,
http://www.networkrail.co.uk/improvements/crossrail

http://www.standard.co.uk/news/london/stars-face-years-of-drilling-noise-and-traffic-as-crossrail-plans-for-station-in-chelsea-are-revealed-9583534.html

https://www.google.ca/search?q=crossrail+uk&es_sm=93&tbm=isch&tbo=u&source=univ&sa=X&ei=JxC4U5SjEZLgoATi0YLwCg&ved=0CHIQsAQ&biw=1777&bih=887&dpr=0.9

http://en.wikipedia.org/wiki/Crossrail#Extensions

http://en.wikipedia.org/wiki/Crossrail_2

http://www.crossrail.co.uk/route/maps/tube-map

http://www.archicentral.com/construction-of-crossrail-begins-as-foundations-laid-for-new-canary-wharf-station-london-18850

http://www.railway-technology.com/projects/crossrail/crossrail7.html

http://www.tunneltalk.com/London-Underground-Aug10-Bond-Street-Station-upgrade.php

http://www.dailymail.co.uk/news/article-2597267/What-bore-Londons-15billion-Crossrail-project-reaches-landmark-giant-drill-breaks-Whitechapel-station.html