Design and Operational Performance of Double Crossover Intersection and Diverging Diamond Interchange

Transportation planners and traffic engineers are facing the challenge of inventing ways to mitigate congestion during the peak hours. Alleviating delays and improving safety for passengers and pedestrians are the primary motives. One way of achieving these objectives is to search for alternative in...

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Bibliographic Details
Published in:Transportation research record 2005, Vol.1912 (1), p.31-38
Main Authors: Bared, Joe G., Edara, Praveen K., Jagannathan, Ramanujan
Format: Article
Language:English
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Summary:Transportation planners and traffic engineers are facing the challenge of inventing ways to mitigate congestion during the peak hours. Alleviating delays and improving safety for passengers and pedestrians are the primary motives. One way of achieving these objectives is to search for alternative intersection and interchange designs. This paper presents the results of a study on two new alternate designs: double crossover intersection and diverging diamond interchange. These designs were studied for different traffic scenarios with the use of traffic simulation, and the results showed better performance during peak hours than that of similar corresponding conventional designs. Better performance includes better level of service, shorter delays, smaller queues, and higher throughput.
ISSN:0361-1981
2169-4052
DOI:10.1177/0361198105191200104