beware car concrete mixer danger drive Ready Mix truck road safety security sign street traffic travel truck vehicle warning yellow accident brick crazy fun funny graffiti hit humorous nightmare old photo poverty roadsign slums stop unusual wall confusion construction fourty limit lot many mass narrow paid park parking pay payment roadsigns signs speed steep toll too many turn wide works black blow cloud cyclone hurricane nature square storm tornado weather wild wind advice care caution communicating communication directing direction directional directive Dirt dirty informing railway-sign red risks road-sign traffic-flow warning-lights weathered white arrow bicycle crossroads directions indicator information path paths pole trail turning turnings wooden denied not allowed not-permitted permission denied prohibited prohibition purple street-sign verge across angle aware awareness convex frame high lookout mirror reflect reflecting reflection view alert birds blue sky bright protection road crossing water birds water fowl wildlife ball child children city limits pedestrian play resident residental town urban village zone blue command cycle entrance entry exit highway instruction no entry post rule rules sky