Road Sign On A Metal Pole `Do Not Enter` Sign Against A Blue Sky With White Clouds Background. Stock Image

Road sign on a metal pole `Do not enter`, with a bottom sign `Wrong way` against a blue sky with white clouds. The do not enter sign is a regulatory sign. Do not enter signs are usually posted at roadway openings, one-way roads, exit ramps and crossovers on divided roadways to prevent people from accidentally entering an opposing lane of traffic.