Abstract: A connection group for movable road barriers, comprising a pair of jawed joints (3, 4) suitable for being attached to the respective upright members (1, 2) of adjacent barriers and connected to each other in such a way as to compensate imperfections as regards the coplanarity and/or the parallelism of said upright members due to the conformation of the ground on which the barriers are set up.

Abstract: A portable toilet comprising a cabana in which a tank is installed to contain liquid and solid waste and a conditioning liquid for said waste, said tank having, in a substantially central position, a port around which an annular seat is provided. Inside the waste-collecting tank, in correspondence to its port, temporary collection apparatus for the waste are provided, being wide enough to substantially cover the whole extension of port. An operating lever for collection apparatus is provided to drive a displacement which causes the unloading of the waste collected thereon after each use, and the subsequent return in a collecting position for a further use. The collection apparatus is removably connected to tank, to clear port when the emptying and cleaning of said tank have to be carried out.