The objective of the project was to develop new guidance signing for traffic circles to lessen driver confusion and thereby improve safety and traffic flow. The effectiveness of the new guidance signing was determined by the preferred maneuvers of the drivers. Traffic studies were conducted at five circles; three of which were regular and two, cut-through. Diagrammatic guidance signing was more effective than conventional signing at regular circles, as well as, for left and right turning movements at cut-through circles. Overall results for all movements indicated an advantage for diagrammatic signing over conventional signing.
Improved Signing for Traffic Circles
1990
56 pages
Report
Keine Angabe
Englisch
Traffic circles and rotary traffic
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