cone cones hexagon hexagons honeycomb honeycombs reflector reflectors safe safety traffic yellow danger hazard orange warning asphalt black bollards care careful caution changes changing circular cloud-formation clouds concrete construction curb curbing curbs delineators edging fill footpath infrastructure public-space red road-junction road-surface roads roadside roundabout sand slow-down slower speed-reduction street street-lighting surface surfaces surfacing T-junction temporary thoroughfare traffic-cones traffic-control traffic-flow trees uneven-surfaces appropriate-behavior appropriate-behaviour blue communicating communication directive information informing message road-sign sign signage signs street-sign white witches-hats wording words bridge car cars city digger highway repair repairs road works mobile-lighting avenue brasil brasilia brazil man metropolis orientation signal transit urban way work barricade barrier closed closing off color direction focus freeway guard guide-post light line Lübecker Hütchen mark marker marking move object pitbox lane post pylons racecourse roadpylons roadsign roadworks speed stripe symbol utility benchmark border course demarcation race race track road racetrack reminder