The ornamental design for a connectableroadvehicle, as shown and described.
FIG. 1 is a top, right side, front prospective view of connectable road vehicle, illustrating the novel design. The connectable road vehicle has an arm that can optionally be extended to connect with the back of another similar vehicle. FIG. 1 is an illustration of the connectable road vehicle with the aim in its non-extended form. The left side is a mirror image of the right side.
FIG. 2 is a front view thereof.
FIG. 3 is a side view thereof.
FIG. 4 is a back view thereof.
FIG. 5 is the bottom view thereof.
FIG. 6 is a top, right side, front view of the connectable road vehicle of FIG. 1, with the arm extended and the doors, as illustrated in FIG. 2, open. The extended arm can connect to the back of another similar vehicle. The left side is a mirror image of the right side; and,
FIG. 7 is the bottom view of FIG. 6 with the arm in its extended form.
In the drawings, the broken lines depict unclaimed subject matter only and form no part of the claimed design.