. Calculate the free-flow speed in m/s 2. Calculate the flow rate in the opposing direction (veh/hr) for ATS after considering grade adjustment and heavy vehicle factor 3. Calculate the flow rate in the opposing direction (veh/hr) for PTSF after considering grade adjustment and heavy vehicle factor 4. Calculate the service measure ATSFd 5. Calculate the service measure PTSFd 6. If it is desired for this segment of highway to have at least a Level of Service E using PTSF analysis, what is the required percentage of no-passing
A segment of a Class I two-lane highway is on rolling terrain and has an hourly volume of 600 veh/hr in the analysis direction and 600 veh/hr as well in the opposing direction. The highest 15-minute volume in both directions is 156.25 veh/15 min. Passing is permitted throughout the highway. The main traffic consists of 96% passenger cars with 3% Large Trucks and buses and 1% RV's. The width per lane is 2.7m with a shoulder-width of 0.9m. 7 access points per kilometer is detected. The base free-flow speed is 102 kph.
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1. Calculate the free-flow speed in m/s
2. Calculate the flow rate in the opposing direction (veh/hr) for ATS after considering grade adjustment and heavy vehicle factor
3. Calculate the flow rate in the opposing direction (veh/hr) for PTSF after considering grade adjustment and heavy vehicle factor
4. Calculate the service measure ATSFd
5. Calculate the service measure PTSFd
6. If it is desired for this segment of highway to have at least a Level of Service E using PTSF analysis, what is the required percentage of no-passing zone?
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