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(Solved): 1. Determine the level of service for an intersection controlled by a traffic signal with the follow ...


1. Determine the level of service for an intersection controlled by a traffic signal with the following information. Assume that only the uniform delay component matters, that the ???????? factor is 1, and that the cycle time is 200 seconds.

Figure 1. Ring-and-Barrier Diagram Table 1. Peak Hour Volumes and Saturation Flow Rates???????

Figure 1. Ring-and-Barrier Diagram Table 1. Peak Hour Volumes and Saturation Flow Rates


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given that:
1) the ring -and-barrier diagram for planned traffic signal system is presented in figure1
2) figure 1. ring-and-barrier diagram the estimated peak hour volumes and the saturation flows for each lane group are presented in table1
3) table 1. peak hour volume and saturation flow rates
4) assuming yellow times of 3 sec for each phase lost of 2 sec for each phase total all-red time of 2 second peak hour factor of 0.95.

each phase:
  times   
   times  
toatl all-   times  
peak hour factor    sec
5) determine the green times for each phase using the webster method
6) determine the green times for each phase using the highway capacity method discussed in class assuming a criticalv/cratio of   



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