Official HS2 Website - hs2.org.uk
Stop HS2 Website - stophs2.org
HS2 Action Alliance - hs2actionalliance.org
No HS2 Across the Chilterns - chilternsociety.org/hs2
Wendover Stop HS2 Campaign - wendoverhs2.org
Website with email addresses of various anti-HS2 campaigners - stop-hs2.co.uk