Transport for Greater Manchester

If you are disabled or have a learning disability, you could be eligible for a pass that gives you free and low-cost travel in Greater Manchester and the rest of England under the English National Concessionary Travel Scheme. Depending on your disability, you could qualify for either a travel pass for disabled people or a travel plus pass for disabled people.
http://www.tfgm.com/tickets-and-passes/passes-for-disabled-people
 
Application form