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During the hour on a class I two-lane highway in rolling terrain, volume northbound (peak direction) are 1300 veh ih and
Posted: Thu Jul 14, 2022 2:59 pm
by answerhappygod
- During The Hour On A Class I Two Lane Highway In Rolling Terrain Volume Northbound Peak Direction Are 1300 Veh Ih And 1 (350.67 KiB) Viewed 29 times
During the hour on a class I two-lane highway in rolling terrain, volume northbound (peak direction) are 1300 veh ih and volume southbound are 500 veh/h. The PHF is 0.90, there are 15% trucks busses of which 14% are semi-trailers and 5% RVS. Lane widths are 11Ft, and shoulder widths are 4Ft. The roadway section is 5mi in length, and there are 18 access points per mile. There are 50% no-passing zones and Free-flow speed is 65milh. Determine the PTSF and ATS if the grade in the peak direction is 4.75% uprade and if it is 4. 75 \% downgrade. The difference between free-flow speed and crawl speed is 25mi/h.