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Full-Text Articles in Engineering
Raised Pavement Markers As A Traffic Control Measure At Lane Drops [No. 384], Jerry G. Pigman, Kenneth R. Agent
Raised Pavement Markers As A Traffic Control Measure At Lane Drops [No. 384], Jerry G. Pigman, Kenneth R. Agent
Kentucky Transportation Center Research Report
Raised pavement markers are an effective means of reducing erratic movements at lane-drop locations, particularly under nighttime driving conditions. The cost of raised pavement markers and their installation is nominal ($150 per location). It is recommended that raised pavement markers be installed at other lane-drop locations. Markers installed at locations described in this study have not been in place for a sufficient time to determine their durability; however, reports from other states indicate their durability is sufficient to render them economical. If raised pavement markers are installed routinely, steps should be taken to insure they are not damaged by snowplow …
Operational Characteristics Of Lane Drops, Don L. Cornette
Operational Characteristics Of Lane Drops, Don L. Cornette
Kentucky Transportation Center Research Report
Traffic behavior studies were conducted at seven lane-drop locations, representing four lane-drop classes. These studies were composed of conflict observations (consisting of both erratic movement and brakelight applications), spot-speed observations, and lane volume counts. Such a study was made before and after each different traffic control device installation in an attempt to determine which device was the most effective in minimizing conflicts at existing lane drops. A study of conflict deviations indicates that no single type of traffic control device studied was significantly effective in reducing erratic movement and brakelight rates at all seven lane-drop locations. Rather, it appears that …