Modular fastening for track crossings

A modular fastening for track crossings, comprising a lower plate and a shoulder attached by means of adhesive bonding to each end of the lower plate, forming a single-block assembly, where each shoulder comprises means for anchoring the fastening on a support surface, the lower plate comprising a central segment running between the shoulders on a face above the face for anchoring to the support surface, comprising two plate assemblies, where each plate assembly can be mounted on the lower plate by means of two rail spikes going through the plate assembly and allows the fixing of a rail, each plate assembly comprising an intermediate plate and an upper plate, wherein the lower face of the intermediate plate comprises a recess for the fitting thereof on the central segment of the lower plate, and the upper face of which comprises a circular projection configured for fitting in a circular recess located on a lower face of an upper plate on which a rail can be supported, such that said upper plate can be oriented with respect to said intermediate plate,

• wherein the upper plate comprises at least two curved elongated holes allowing play of the rail spikes mounting the plate assembly on the lower plate.