Abstract: A signalling means (1) for indicating whether a parking place (34) for a vehicle is available or occupied, wherein the signalling means (1) comprises a housing (2) and at least one LED (3) arranged within said housing (2), wherein the housing (2) comprises a cover (4) that is at least partially made of a light-permeable material for constituting at least one light-passage (8) for light emitted by the at least one LED (3), wherein an outer surface of the light passage (8) is slanted towards a bottom portion (9) of the housing (2), and wherein the signalling means (1) further comprises at least one convex-lens (10) that is arranged between the at least one LED (3) and the light passage (8) of the housing (2).

Abstract: A barrier is formed such that its barrier arm automatically moves back to its blocking position after forceful opening of the barrier.The barrier arm is pivotally mounted to a barrier post about a horizontal axis. The barrier post is formed to include a swivel joint having a vertical axis around which the barrier arm swivels upon forceful opening.

Abstract: A barrier is formed such that its barrier arm (9) automatically moves back to its blocking position after forceful opening of the barrier.