an enclosure of plates 14 pedestal moiety 12 is formed by top and bottom frames 18 and 16 respectively top frame 18 is connected housing 27 ribs 25 extend from housing 27 ribs 25 interconnect between housing 27 and enclosure plates 14 enclosure plates 14 are typically welded to each other at about 90 degrees angle as well as to ribs 25 at about 45 degrees angle housing 27 is used as the guiding rail for post moiety 20 conferring the latter a translation an essentially paralleling to the former a plurality of rollers 28 are disposed in between housing 27 and post 20 preferably four rollers 28 are disposed on each interior face housing 27 facing vis u00e0 vis post 20 rollers 28 are preferably affixed to the interior faces housing 27 facing vis u00e0 vis post 20 rollers 28 are implemented to facilitate a smooth continuous translation of post 20 relatively to housing 27 the mechanism of the parking post comprises plummets 40 a and 40 b plummet 40 a is connected to string 42 a whereas plummet 40 b is connected to a respective string not shown from the opposite back side of housing 27 string 42 a is threaded onto pulley 41 a whereas string the aforesaid respective string not shown is threaded onto another pulley not shown from the opposite back side of housing 27 in fig3 a to 3c.