: J apan ese ▁exp atri ate ▁sports people ▁in ▁Th ailand ▁Category : Associ ation ▁football ▁for wards <0x0A> </s> ▁The ▁D arm stadt ▁tram ▁network ▁is ▁a ▁light ▁rail ▁system ▁and ▁the ▁back bone ▁of ▁public ▁transport ▁within ▁D arm stadt , ▁a ▁city ▁in ▁the ▁federal ▁state ▁of ▁H esse , ▁Germany . ▁As ▁of ▁ 2 0 1 4 , ▁nine ▁lines ▁on ▁four ▁main ▁routes ▁() ▁serve ▁ 1 6 2 ▁stops , ▁including ▁ 9 2 ▁low - floor ▁stops . ▁The ▁system ▁is ▁operated ▁by ▁, ▁and ▁is ▁an ▁integral ▁part ▁of ▁the ▁Rhein - Main - Ver kehr s ver bund ▁( R M V ), ▁the ▁public ▁trans it ▁authority ▁of ▁the ▁Rhein - Main - Area . ▁ ▁History ▁Tr ams ▁have ▁operated ▁continu ously ▁in ▁D arm stadt ▁since ▁ 1 8 8 6 , ▁with ▁the ▁opening ▁of ▁a ▁steam ▁tram ▁line . ▁The ▁network ▁has ▁been ▁operated ▁since ▁ 1 9 1 2 ▁by ▁H ess ische ▁Eisen bahn - A kt ien gesellschaft ▁( HE AG ) ▁either ▁directly , ▁or , ▁more ▁recently , ▁through ▁one ▁of ▁its ▁subs idi aries . ▁Since ▁then ▁the ▁tr ams ▁have ▁become ▁a ▁distinct ive ▁part ▁of ▁D arm stadt ' s ▁character ▁and ▁are ▁widely ▁used ▁by ▁people ▁from ▁all ▁wal ks ▁of ▁life ▁as ▁a ▁safe ▁and ▁fast ▁means ▁of ▁transport ation ▁within ▁D arm stadt ▁and ▁its ▁sub ur bs . ▁At ▁the ▁Haupt bahn hof ▁station ▁(