Rapid transit in Hungary

BHÉV (Budapesti Helyiérdekű Vasút, "Budapest Railway of Local Interest") is a system of four commuter rail lines (Szentendre HÉV, Gödöllő HÉV, Csömör HÉV and Ráckeve HÉV) and rapid transit (Csepel HÉV and Békásmegyer HÉV (part of the Szentendre HÉV)) lines in and around Budapest, Hungary. The BHÉV operates on standard gauge ( ), and is electrified at 1100 V DC.