Road traffic isolation device for road facilities

The utility model discloses a road traffic isolation device for road facilities, which comprises a plurality of stand columns, two vertical rods are arranged between every two adjacent stand columns, first cross rods are fixed at the top and the bottom of one vertical rod, second cross rods are fixed at the top and the bottom of the other vertical rod, and the first cross rods and the second cross rods are arranged in parallel. A first stop rod is fixed to the end, away from the vertical rod, of the second transverse rod. A first poke rod is held to move so as to drive two first rectangular plates to get close to each other, that is, a second rack on the first rectangular plate is separated from a first rack on the inner wall of a second sliding groove, at the moment, a first stop rod can slide in the first sliding groove, a second cross rod can slide in the second sliding groove, and therefore the lengths of the first cross rod and the second cross rod are adjusted; and then a first poke rod is loosened, and