road work sign under construction.caution . red an white triangle safety sign warns about roadworks. careful on highway - co

advice alertness attention background barricade billboard car careful caution close concentration concept construction copy countryside danger dangerous dirt drive driveway driving effect exhilaration exploration guidance hazard horizontal icon informationssign inprovement landscape limit moving nature nobody offroad photography placard place point repairing reserve risk road roadsign rocks rural safety sani security shield signage signpost space speed steep stop street suv terrain texture tourism trail triangle trip vacations vehicles warning watch worker