በ 1845 ፣ ፓሪስ ከተማ አስተዳደር እና የባቡር ሐዲድ ኩባንያዎች የከተማ ባቡር መረብን ለማቋቋም አቅደው ነበር ።
By 1845, Paris and the railway companies were already thinking about an urban railway system to link inner districts of the city.