mandatory keep right obstacle detour road sign, european union eu traffic safety barrier signage on pole post, large blue

accident arrow attention barricade barrier block blocked blue caution closed closeup concept danger detailed detour diagonal drive driving equipment europe european guide hand highway icon info isolated keep lane large mandatory marking metal obstacle panel pattern pole post red regulatory reroute right road roadside roadsign roadworks round route safety shield sign signage signal signalling signpost site street stripe striped symbol town traffic union urban vertical warning way white works zone