The Travelcard is an inter-modal travel ticket for unlimited use on the London Underground, London Overground, TfL Rail, Docklands Light Railway, Tramlink, London Buses and National Rail services in the Greater London area. Travelcards can be purchased for a period of time varying from one day to a year, from Transport for London, National Rail and their agents. APT Touring & Cruising. Operates unforgettable, award-winning cruises and escorted tours to…