The development of complex intelligent transportation system in the city is advancing; the application of smart traffic lights is widespread, they are GPS and computer controlled and give priority to the GPS connected public transport vehicles automatically, as well as the traffic is measured and analyzed on the roads and car drivers informed about the expected travel time and traffic by intelligent displays (EasyWay project). Public transport users are immediately notified of any changes in public transport online, on smartphones and on PIDS displays, as well car drivers can keep track of changes in traffic and road management in real-time online and on smartphones through the "BKK Info". As well all vehicles can be followed online and on smartphones in real-time throughout the city with the "Futár" PIDS system, while the continuous introducing of integrated e-ticket system will help the measurement of passenger numbers on each line and the intelligent control of service frequency.