distance ▁passenger ▁services ▁on ▁the ▁east – west ▁route : ▁for ▁example , ▁in ▁the ▁summer ▁ 1 9 1 4 ▁tim et able ▁an ▁express ▁train ▁( D - Z ug , ▁a ▁fast ▁and ▁lux ur ious ▁express ▁using ▁carri ages ▁with ▁compart ments ▁and ▁having ▁a ▁cor rid or ) ▁ran ▁from ▁Che b ▁( then ▁a ▁largely ▁German ▁speaking ▁city ▁called ▁E ger ) ▁to ▁B iet ig heim ▁with ▁some ▁of ▁its ▁coach es ▁running ▁from ▁N ure m berg ▁to ▁Paris ▁and ▁a ▁fast ▁train ▁( S - Z ug , ▁slower ▁and ▁less ▁lux ur ious ▁than ▁a ▁D - Z ug ▁and ▁using ▁carri ages ▁with ▁compart ments ▁but ▁having ▁no ▁cor rid or ) ▁from ▁Hof ▁to ▁B iet ig heim , ▁with ▁through ▁coach es ▁from ▁N ure m berg ▁to ▁Luxemb ourg ▁and ▁T rier . ▁These ▁trains ▁use ▁this ▁line ▁to ▁by pass ▁Stuttgart ▁Haupt bahn hof . ▁From ▁ 1 9 3 1 , ▁an ▁express ▁service ▁ran ▁for ▁two ▁years ▁on ▁this ▁line ▁between ▁N ure m berg ▁and ▁Str as bourg ▁with ▁through ▁coach es ▁from ▁Prag ue ▁to ▁Paris . ▁ ▁Until ▁the ▁early ▁ 1 9 6 0 s , ▁passenger ▁trains ▁were ▁ha u led ▁by ▁steam ▁locomot ives ▁of ▁class ▁ 7 5 . 0 ▁( W ür ttemberg ▁T ▁ 5 ) ▁and ▁ 9 3 . 5 ▁( Pr uss ian ▁T ▁ 1 4 . 1 ). ▁After ▁the ▁ph asing