The bollards and road sign are standing on the pavement to warn pedestrians not to walk on the surface, as the tarmac is still warm and soft. Walking on the sidewalk before the asphalt goes hard and 'sets' would therefore potentially leave a row of footprints behind.
Relevant image keywords:
advisory, asphalt, bollard, bollards, communication, cone, cul-de-sac, focus on foreground, footpath, hazard sign, highway maintenance, highways maintenance, housing estate, men at work, men at work sign, objects/equipment, orange, orange and white, orange and white bollards, outdoors, pavement, real life, real life situation, resurfaced, resurfacing, road, road maintenance, road works, road works sign, roadside, sidewalk, sign, street, symbol, tarmac, tarmacadam, traffic cone, triangle, triangle sign, urban scene, vertical, warning, warning sign, white, work, work triangle sign
