This thread is a sticky for users to post commonly used travel-related resources that might be useful for other users.
To start with:
Directgov - Travel, holidays and breaks: http://www.direct.gov.uk/en/Disabled...eaks/index.htm
Directgov - Travel and holidays - useful contacts: http://www.direct.gov.uk/en/Dl1/Dire...es/DG_10014894
Tourism for All: http://www.tourismforall.org.uk/
Door to Door - a travel guide for disabled people:
ABTA Advice on Accessible Travel: http://www.abta.com/consumer-services/accessible_travel
Equality and Human Rights Commission - your rights to fly - step by step guide:
National Rail Enquiries - Disabled Passengers: http://www.nationalrail.co.uk/passen...ed_passengers/
Citizens Advice - Transport Options for Disabled People: http://www.adviceguide.org.uk/index/...led_people.htm
Transport for All - champions the cause of accessible transport in London: http://www.transportforall.org.uk/
PARKAT: Disabled and reduced mobility airport accessibility guide: http://www.parkat.co.uk/disabled/
Open Britain Guide Book travel guide to accessible Britain - http://radar-shop.org.uk/Detail.aspx?id=39
Get Caravanning - a guide to caravanning from a disabled person's point of view - http://radar-shop.org.uk/Detail.aspx?id=31
Please feel free to reply with more!