Luton used to be my favourite London airport. Not as nasty as Thiefrow; not as far away as Gatwick. No longer. All is being changed – for the worse. Coming by car, the signposting is dreadful. At at least three points I had to stop my car, because it was unclear where I should go to leave it at Valet Parking. Nobody at the 'Passenger Help' kiosk, of course. So I had to wait until a service engineer happened by to fix one of the barrier mechanisms, and he told me where I needed to go. I cannot comment on the queues for Security on Departure, as I'd paid for Priority Security, so didn't have to wait too long. Bur, once through, you are confronted by - literally - a maze of airport concession shops with a serpentine path between them, meandering in an almost complete circle [and with no short cut]. So bad, that they had had to put up a small sign to explain the the actual passenger path to the departure gates was - half-hidden - between one of these shops and its neighbour. Then at least a quarter mile of corridors and passages, to get to Gate 1. Returning was just as bad. No signage at all to indicate that the ONLY way to the multi-story car park was to take the elevated bridge. At ground level, signs to "Pick-up" lead you past the multi-story to a wasteland of fenced-off construction sites. And once you finally get out of the airport, you find four lanes of traffic [Airport Terminal, Airport Service Area, Local traffic, Luton Town Centre] all merging into one. The resulting jams have to be seen to be believed. For a so-called "International Airport" it is a DISGRACE