4. Find the level of service of the following road: (35 points) • 6-lane freeway, terrain: rolling, lanes: 11 ft, right shoulder: 5 ft, 3 ramps in 2 miles peak hour traffic volume in each direction: 4000 veh/h, PHF: 0.95, % trucks: 10% Solution 5 fHV= 6 Vp1684.2 pc/h/In FFS = 68.6 mph c=2385.7 pc/h/In S = 66.5 mph D = 25.3 pc/mi/In LOS C

4. Find the level of service of the following road: (35 points) • 6-lane freeway, terrain: rolling, lanes: 11 ft, right shoulder: 5 ft, 3 ramps in 2 miles peak hour traffic volume in each direction: 4000 veh/h, PHF: 0.95, % trucks: 10% Solution 5 fHV= 6 Vp1684.2 pc/h/In FFS = 68.6 mph c=2385.7 pc/h/In S = 66.5 mph D = 25.3 pc/mi/In LOS C

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter9: Capacity And Level Of Service For Highway Segments

Section: Chapter Questions

Problem 16P

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An undivided multilane highway segment has the following characteristics: • Six lanes (three lanes in each direction); Lane width of 11 ft; • Speed limit of 45 mph; Right shoulders is 4 ft wide; • There are approximately 25 access points over a 2-mile section of this roadway, in each direction. Calculate the FFS at this highway section and then determine the level of service (LOS) when the flow rate is 1100 pc/h/In. (Write the answer for the LOS in the box below).
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