Front structure (1; 31) of a rail vehicle, in particular of a locomotive, wherein - the front structure (1; 31) comprises a plurality of elongated elements (3, 5, 7, 9, 11) as carrying elements of the front structure, - at least a first (7, 9, 11) of the elongated elements (3, 5, 7, 9, 11) is connected at an end section of the first element with a second (3, 5) of the elongated elements (3, 5, 7, 9, 11), characterized in that - in the end section of the first elongated element (7, 9, 11) and/or in a connecting section of the second elongated element (3, 5) there is at least one projection (14, 15) formed, - in the connecting section of the second elongated element (3, 5) and/or in the end section of the first elongated element (7, 9, 11) there is at least one recess (22, 23) formed, which corresponds with the at least one projection (14, 15) and in which the projection (14, 15) engages, - the front structure (1; 31) comprises a plurality of connections, which are formed respectively by an end section of a first elongated (7, 9, 11) element and a connecting section of a second elongated element (3, 5) or another part of the front structure, wherein at every connection at least one projection (14, 15) engages in a corresponding recess (22, 23) of the other elongated element or the other part and wherein the relative positions, shapes and/or orientations of all projections and/or recesses in the end section or connecting section and optionally the shapes of the end section and the connecting section of each of the elongated elements (3, 5, 7, 9, 11) and parts are unique within the same front structure (1; 31) and are matched to only one other corresponding connecting section or end section of another elongated element (3, 5, 7, 9, 11) or part of the front structure (1; 31) such that within the same front structure (1; 31) the end section can be connected exclusively with the corresponding connecting section and in the process the at least one projection (14, 15) engages in the corresponding recess (22, 23). - the front structure (1; 31) comprises a plurality of elongated elements (3, 5, 7, 9, 11) as carrying elements of the front structure, - at least a first (7, 9, 11) of the elongated elements (3, 5, 7, 9, 11) is connected at an end section of the first element with a second (3, 5) of the elongated elements (3, 5, 7, 9, 11), - in the end section of the first elongated element (7, 9, 11) and/or in a connecting section of the second elongated element (3, 5) there is at least one projection (14, 15) formed, - in the connecting section of the second elongated element (3, 5) and/or in the end section of the first elongated element (7, 9, 11) there is at least one recess (22, 23) formed, which corresponds with the at least one projection (14, 15) and in which the projection (14, 15) engages, - the front structure (1; 31) comprises a plurality of connections, which are formed respectively by an end section of a first elongated (7, 9, 11) element and a connecting section of a second elongated element (3, 5) or another part of the front structure, wherein at every connection at least one projection (14, 15) engages in a corresponding recess (22, 23) of the other elongated element or the other part and wherein the relative positions, shapes and/or orientations of all projections and/or recesses in the end section or connecting section and optionally the shapes of the end section and the connecting section of each of the elongated elements (3, 5, 7, 9, 11) and parts are unique within the same front structure (1; 31) and are matched to only one other corresponding connecting section or end section of another elongated element (3, 5, 7, 9, 11) or part of the front structure (1; 31) such that within the same front structure (1; 31) the end section can be connected exclusively with the corresponding connecting section and in the process the at least one projection (14, 15) engages in the corresponding recess (22, 23).