Roland Perry wrote i

on Mon, 15 Mar 2010, Neil Williams
remarked:
But you can't easily do T3-T4 on the Piccadilly. And T3 is a long
way
from the station... almost impossibly so for someone with mobility
problems. The only answer that will work is to take a bus from
T3-T4
[route 555, every 19 minutes, free]

Every *19* minutes? Which muppet thought that up?

I don't know, but it's what the LHR official website says.

Then it's wrong, the 555 is every 30 minutes

It's not a TfL route but still see

http://www.londonbusroutes.net/details.htm

The website may not have been updated since the 557 was truncated.

--
Mike D