bollard

Outside, there are bollards and warnings that the public aren't allowed in.

As part of last year’s restoration, the city also installed bollards at the entrances to Plaza Park, changed the lighting and modified the entrances of the traffic circle to deter vehicles from speeding.

A false shadow appears to have been drawn on the pavement from a nearby bollard, giving the illusion that the lighthouse is itself a silhouette of the mundane street furniture.

Mr Jones crashed into a bollard and died at the scene from his injuries.

Protected bike lanes separate cyclists from other traffic by using physical barriers like curbs or bollards.