Tune up Prague is a project by the capital city of Prague, which has given rise to a comprehensive plan for how to improve the growing urban mobility in the future. The Sustainable Mobility Plan for Prague and its environs is thus the capital city’s basic conceptual document for the area of transportation and its infrastructure. It resolves the organisation of individual (automobile), public and non-motorised transportation so that the city is not a jungle of traffic collapses. The necessity to resolve the transportation situation is based on the massive rise of the use of cars and the increasing environmental burden connected with this. The plan for the modernisation and replacement of the current Principles of the Transportation Policy of the Capital City of Prague valid since the year 1996.