Isticmaalka metrooga Paris waxay u badan tahay inay isticmaalaan dhuumaha laba-dhinac ah. Sida inta badan metrooga Faransiiska iyo nidaamyada taraamka, tareenadu waxay ku safraan dhinaca midig (tareenada SNCF waxay ku safraan wadada bidix). Wadooyinku waa cabbir caadi ah (1.435 mitir). Awoodda korontada waxaa bixiya tareen saddexaad oo wata 750 volts DC. Su'aal: Immisa volts ayaa la siiyaa tareenka saddexaad?
750 oo doolar