LHR PRT 6-21-10, guideway fr L2 of T5 parking ramp, looking N.  From the left turn in the background of this image the route travels to the west end of 9L/27R, where it turns north to wrap around a bit east to a remote parking lot. In 2008 BAA announced 18 vehicles and a cost of L25 million.  Link to official BAA release at http://www.baa.com/.