Hitch mountable parking arm device and method of use

A hitch mountable parking arm device for maintaining access to vehicle includes a mount, upright support, and an arm. The mount is removably securable to a hitch receiver, which is attachable to a rear end of a first vehicle. The upright support has an upper and lower ends, with the lower end being attached to the mount so that the upright support extends vertically from the mount. The arm, which is attached to and which extends perpendicularly from the upper end, is horizontally orientated when the upright support is vertically orientated. The arm comprises a plurality of interconnected segments and is reversibly positionable in a stowed and deployed positions having retracted and extended lengths, respectively. The arm is extendable into an adjacent parking spot or an access aisle when the mount is engaged with the hitch receiver.