‘A future that works’, anti-austerity march and rally in Hyde Park in London takes place on 20th October 2012.
Similar rallies are also planned take place in Glasgow (although with some opposition from the local council) and possibly also Belfast.
Details of the London one are here:
http://afuturethatworks.org/
Coaches from Nottingham and Notts:List of coaches: http://falseeconomy.org.uk/travel/east-midlands/all/t1