a group of road service workers is laying new asphalt in the city. repair of asphalt on roads, autobahns and highways. steam from

activity asphalt asphalting autobahns background bitumen black blacktop building city compactor concrete construction equipment from gravel group heavy highway highways hot industrial industry job layer laying machine machinery mix new pave pavement paver paving people pressure professional repair road roads roadway roadwork roller service steam steamroller street surface tar traffic transportation urban vehicle vibration work workers