Trailable skateboard ramp
FIG. 1 is a perspective view of a trailable skateboard ramp, showing my new design. 
     FIG. 2 is a top plan view of the erected trailable skateboard ramp. 
     FIG. 3 is an end view of the erected trailable skateboard ramp. 
     FIG. 4 is an end view of the trailable skateboard ramp in the transporting position.