Travel Parkex 2012 takes place in the National Hall at Olympia in London. To book a hotel room, please click here. Olympia is situated in the heart of West London and is easily accessible through a variety of options. Once you reach London, it's quicker and easier to travel by public transport, and we highly recommend planning your visit in advance. You can view a map of Olympia here; and book your Oyster travelcards in advance here