United States Department of Transportation
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Abstract:Previous research has noted the feasibility of placing raised pavement markers in grooves cut into the pavement to prevent them from being damaged by snowplows. Because of the potential economic benefit of using this procedure in place of the one presently in use to install a durable, effective marking system for night-wet roadway delineations, a demonstration project was set up. It was concluded that placing the markers in grooves is a feasible means of protecting them from snowplow damage and that while markers so placed provide an acceptable level of retroreflectivity. The method offers an economic advantage over the marking procedures presently used by the Department.
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