Abstract: Prefabricated module for manufacturing a railway which comprises (i) a railway bed element (1) with two standing lateral faces (4,5) situated opposite one another, a base (6) and a rail side (7) situated opposite the latter, whereby two parallel rails (8) are to be mounted or have been mounted on this rail side (7), (ii) a supporting element (2) with a bottom (14) and two opposite standing walls (15,16) defining a shaft in which the railway bed element (1) is situated, whereby said base (6) of the railway bed element (1) is provided opposite said bottom (14), and (iii) a vibration-insulating jacket (3) made of an elastic material, whereby this jacket (3) is provided between the railway bed element (1) and the supporting element (2), such that the railway bed element (1) does not make any direct contact with the supporting element (2).