Transport in Hungary - Wikipedia
Karacsony calls on government to transfer transport subsidy - The Budapest Times
Budapesti Közlekedési Zrt. - Wikipedia
Karacsony: Budapest metro line 1 upgrade plans to be completed soon - The Budapest Times
trolleybuses in Budapest - Wikidata
File:Budapest metro hev en.png - Wikipedia
✓ Budapest Metro - Millennium Underground - Data, Photos & Plans - WikiArquitectura
The 7 LARGEST TRAM NETWORKS in the WORLD - Res Humana
Metro Line M2 (Budapest Metro) - Wikiwand
File:Budapest, M2 metró, Örs vezér tere, 14.jpg - Wikipedia
Trams in Budapest - Wikiwand
Renovated Budapest M3 Line opens to passengers - International Railway Journal
✓ Budapest Metro - Millennium Underground - Data, Photos & Plans - WikiArquitectura
File:Budapest metro, Határ út.JPG - Wikimedia Commons
Metro Line M1 (Budapest Metro) - Wikipedia
Budapest Metro | Metro Wiki | Fandom
List of Budapest Metro stations - Wikiwand
Budapesti Közlekedési Zrt. - Wikipedia
Hungary Wins EU Exemption to Let Russian Firm Service Metro Cars | The Gaze
Blog - Data Sources on Coronavirus impact on transport - UNECE Wiki
Budapest Metro - Wikipedia
Oktogon metro station - Wikipedia
Budapest Metro - Wikipedia
Kőbánya-Kispest metro station - Wikiwand
File:Budapest Metro Geographical Map.png - Wikipedia
Budapest Metro - Wikipedia
File:Budapest Metro map.svg - Wikipedia
