wrote in message
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Do They still run i think they were called a1 and a2?

No they don't run any more. For all your options see
http://tinyurl.com/6d2lfj

Depending where you are going in London, whether you are travelling alone or
with other(s), your mobility, the time you expect to be travelling, the
amount of luggage you have, and your budget are all factors in determining
your best options.

As the previous poster said, if you gave such details many here will point
you in the right direction.

Regards

David Bennetts
Australia