A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Capacity at a Signalized Intersection Approach with Short Lanes Related to the Cycle Length
In order to increase the capacity at a signalized intersection, cycle lengths in many large cities in Mainland China are extended continually to "match" the traffic demand. However, longer cycle time does not always bring up increasing capacity, especially at those signal intersections with short approach lanes. This research attempts to derive a crucial factor to help deciding whether the extension of the cycle length for a certain signalized intersection would be effective or not. It was found that for an approach with short lanes, the relationship between the capacity and the cycle length depends on the saturation flow rate of the normal lanes versus that of the short lanes, the effective length of the short lanes, the lose time and the cycle length itself. The criteria to estimate the above relationship were presented and validated through numeral computing.
Capacity at a Signalized Intersection Approach with Short Lanes Related to the Cycle Length
In order to increase the capacity at a signalized intersection, cycle lengths in many large cities in Mainland China are extended continually to "match" the traffic demand. However, longer cycle time does not always bring up increasing capacity, especially at those signal intersections with short approach lanes. This research attempts to derive a crucial factor to help deciding whether the extension of the cycle length for a certain signalized intersection would be effective or not. It was found that for an approach with short lanes, the relationship between the capacity and the cycle length depends on the saturation flow rate of the normal lanes versus that of the short lanes, the effective length of the short lanes, the lose time and the cycle length itself. The criteria to estimate the above relationship were presented and validated through numeral computing.
Capacity at a Signalized Intersection Approach with Short Lanes Related to the Cycle Length
Jiang, Jinyong (author) / Yang, Peikun (author)
Seventh International Conference of Chinese Transportation Professionals Congress (ICCTP) ; 2007 ; Shanghai, China
2008-03-21
Conference paper
Electronic Resource
English
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