confusion construction fourty limit lot many mass narrow paid park parking pay payment road roadsign roadsigns sign signs speed steep toll too many turn wide works black blow cloud cyclone danger hurricane nature security square storm street tornado travel warning weather wild wind yellow advice care caution communicating communication directing direction directional directive Dirt dirty informing old railway-sign red risks road-sign stop traffic 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 safety 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 car command cycle entrance entry exit highway instruction no entry post rule rules sky bend demolish field historic left meadow paint painted rotten rusty spray unclear advising automobiles cars closed communicate dead-end end lettering letters limited limited-access message motor-vehicles no-thoroughfare no-through-road restricted restriction restrictions roadway vehicles wording words