Abstract: A removable and collapsible barricade post assembly for the restriction of vehicular traffic. The barricade post assembly has a novel base assembly that allow the post assembly to be removed from its mounting bracket which is normally permanently affixed to the ground. Alternatively, the post assembly can remain attached to its mounting bracket while being lowered to allow the passage of vehicular traffic. The barricade post assembly has a number of security features to restrict the unauthorized removal or collapsing of the barricade post. A cover assembly to enhance security and to provide weather protection for the barricade post assembly is also described.