ULTra vehicles running in the recent snow in the UK. Because of their frequent movements, ULTra vehicles can clear a light snow as they pass by. For heavier snow falls, a special snow-removal vehicle is used.
Heathrow News
Dec 7, 2010
Snow day in UK
Videos
164 Vehicles Per Hour (Jan 2011)
Passenger Trials (Mar 2010)
Round-trip Journey (Nov 2009)
ULTra PRT at Heathrow (BAA Animation, 2008)