Blazon of the station of Austerlitz, on the window of north entrance of the line 5 of the subway. The station is reconstructed, from 1862 till 1867, by Pierre-Louis Renaud ( 1819-1897 ), chief architect of the company Paris-Orléans, with in particular the big metallic hall of a reach of 51,25 m and 280 m of length. This vast space is moreover used as workshop of hot-air balloons hanging the siege of Paris in 1870. It also builds the detached house of the departures in the North, the perpendicular building of the buffet, the detached house of the arrivals to the South, as well as the building of the administration of the railroad of Orléans in the extremity West of the hall, on the place Valhubert, in the facade style Belle Epoque. In 1900, the company of Paris-Orléans extends its line towards the center of the capital and the station of Orsay becomes the new end of the line, put into service on May 28th on the occasion of the World Fair. This monument is the object of a registration in conformance for historic monuments.