A road vehicle comprising: a coachwork; an interior compartment enclosed by the coachwork and delimited at the front by a windscreen supported by a U-shaped frame; and a convertible roof, which can be connected to the coachwork for closing the interior compartment at the top and in turn comprises: two side beams designed to be set at respective side ends of the interior compartment in the position for closing the interior compartment itself; wherein each side beam comprises a rigid side panel, which rises in cantilever fashion from a rear end of the side beam and, in the position for closing the interior compartment, is set substantially vertical; and the vehicle further comprises engagement means for connecting each side beam to the frame of the windscreen and to a portion of the coachwork that delimits the interior compartment at the rear and at the sides; the vehicle being characterized in that it comprises a rigid covering cloth, which is designed to be set in a substantially horizontal position in the position for closing the interior compartment and comprises a panel; and the vehicle further comprises connection means for connecting the rigid covering cloth to the frame of the windscreen at its own front perimetral edge and to the two side beams at its own side perimetral edges once each side beam has been connected to the frame of the windscreen and to the portion of the coachwork that delimits the interior compartment at the rear and at the sides. a coachwork; an interior compartment enclosed by the coachwork and delimited at the front by a windscreen supported by a U-shaped frame; and a convertible roof, which can be connected to the coachwork for closing the interior compartment at the top and in turn comprises: two side beams designed to be set at respective side ends of the interior compartment in the position for closing the interior compartment itself; wherein each side beam comprises a rigid side panel, which rises in cantilever fashion from a rear end of the side beam and, in the position for closing the interior compartment, is set substantially vertical; and the vehicle further comprises engagement means for connecting each side beam to the frame of the windscreen and to a portion of the coachwork that delimits the interior compartment at the rear and at the sides; two side beams designed to be set at respective side ends of the interior compartment in the position for closing the interior compartment itself; wherein each side beam comprises a rigid side panel, which rises in cantilever fashion from a rear end of the side beam and, in the position for closing the interior compartment, is set substantially vertical; and the vehicle further comprises engagement means for connecting each side beam to the frame of the windscreen and to a portion of the coachwork that delimits the interior compartment at the rear and at the sides; the vehicle being characterized in that it comprises a rigid covering cloth, which is designed to be set in a substantially horizontal position in the position for closing the interior compartment and comprises a panel; and the vehicle further comprises connection means for connecting the rigid covering cloth to the frame of the windscreen at its own front perimetral edge and to the two side beams at its own side perimetral edges once each side beam has been connected to the frame of the windscreen and to the portion of the coachwork that delimits the interior compartment at the rear and at the sides.