The story
Founded by General Assembly of Budapest on Jan 1, 2011.1
The last major transport change of Budapest was the foundation of BKV in the 1960s. The foundation of BKK was decided on 27 October 2010 by the General Assembly of Budapest. They appointed Dávid Vitézy as CEO.
From 1 May 2012, BKK began to do many functions of BKV:
Operating public transportation, planning network, lines and time schedules
Making public service contracts with BKV and other companies
Upgrading transportation and planning ideas for upgrading
Tickets and passes selling and securing
From Wikipedia’s article on Budapesti Közlekedési Központ, shared under CC BY-SA 4.0.4