LT Travelcard - Rollerblading London TransportOriginal vintage London Transport advertising poster the one day travelcard has just rolled in Tube, Bus and Train all rolled into one Network SouthEast and London Transport. Great image featuring three people on roller blades disguised as three modes of public transport: a London Underground tube train with an underground map, a double decker London bus and a British Rail train, all linked together holding a Travelcard. This new card was launched in