montreal, qc, canada - 7-15-2021: a sign of roadwork in downtown with a blurred background of a skyscraper and trees

activity architecture background block blurred broken building canada concrete construction danger dangerous design destruction downtown engineer equipment freeway hazardous heavy highway industrial industry infrastructure isolated labor lifting man montreal orange outdoor paving public renewal repair repairing road roadway roadwork safety sign signs skyscraper steel stop street structure support surface symbol traffic transportation trees waiting warning work worker