a frame which is identified as a whole with reference numeral 1 and composed of frame units 2 and 3 which are easy to assemble the units 2 and 3 are connected with one another by fingers 4 four wheels 5 are provided on the frame 1 for holding the barrier in a stationary position during an impact of a vehicle intruder stoppers 6 and 7 are further provided the stoppers are movable by cylinders 8 and 9 the cylinder 9 is mounted inside the frame by internal supports 12 and fingers 13 the cylinder 8 is attached to the frame 1 by a joint 14 and a link 15 the joint 14 and the link 15 are adjustable elements which provide the movement of the cylinder 8 to its vertical and horizontal positions and also provide a proper angle for the stops 6 to enter and penetrate the ground or road surface the cylinders 8 and 9 are also provided with chambers 10 and 11 for mounting of power units the barrier has friction type stop brakes 16 installed on the wheels 5 it also has a horizontal platform 17 and a vertical platform 18 with a dismountable spherical end 33 the vertical platform 18 is connected with the frame 1 by upper and lower shock absorbers 19 and 20 shock absorber springs 21 and 22 correspondingly and a shock absorber support 32 the horizontal platform 17 has a variable length and includes two.