Now integrated to MÁV's (Hungarian State Railways) network: Esztergom HÉV (today suburban railway, since 1931 owned by Hungarian State Railways), Lajosmizse HÉV (suburban railway, a.k.a. Budapest-Tiszai HÉV (1909)), Vác–Budapest–Veresegyház–Gödöllő HÉV (partially abandoned, but the Vác-Veresegyház-Budapest line is still in operation).
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Branch of Budapest-Budafok HÉV - owned by BKVT: Budafok HÉV (today tram route 47), Törökbálint HÉV (mostly demolished, the remained line is tram no. 41, Nagytétény HÉV line (from Budafok to Budatétény and Nagytétény; converted to tram line 43 in 1963, later withdrawn).
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The BHÉV connects Csepel (south), Ráckeve (far south), Gödöllő (northeast), and Szentendre (north) with various points of central Budapest.
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BHÉV (Budapest Helyiérdekű Vasút), is a system of four commuter rails (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.
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Although most of its stations are above ground and outdoor, some are underground (for example the city centre terminus at Batthyány tér).