5. Find the level of service of the following road: (45 points) ▪ ▪ 6-lane multilane highway, terrain: 2 miles long 4% upgrade, speed limit: 55 mi/h lanes: 11ft, a two-way left-tum lane in the median, right shoulder: 5 ft, PHF: 0.90 peak hour traffic volume in each direction: 4500 veh/h with 10% SUTs and 5% TTs ▪ 30 access points in 2 miles ▪ Solution ET = 2.745 fHV = 0.792 Vp 2104 pc/h/In FFS = 50.15 mph c = 2083 pc/h/In S = 46.13 mph D = 45.61 pc/mi/In LOS F

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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Question
5. Find the level of service of the following road: (45 points)
▪
▪
6-lane multilane highway, terrain: 2 miles long 4% upgrade, speed limit: 55 mi/h
lanes: 11ft, a two-way left-tum lane in the median, right shoulder: 5 ft, PHF: 0.90
peak hour traffic volume in each direction: 4500 veh/h with 10% SUTs and 5% TTs
▪ 30 access points in 2 miles
▪
Solution
ET = 2.745
fHV = 0.792
Vp 2104 pc/h/In
FFS = 50.15 mph
c = 2083 pc/h/In
S = 46.13 mph
D = 45.61 pc/mi/In
LOS F
Transcribed Image Text:5. Find the level of service of the following road: (45 points) ▪ ▪ 6-lane multilane highway, terrain: 2 miles long 4% upgrade, speed limit: 55 mi/h lanes: 11ft, a two-way left-tum lane in the median, right shoulder: 5 ft, PHF: 0.90 peak hour traffic volume in each direction: 4500 veh/h with 10% SUTs and 5% TTs ▪ 30 access points in 2 miles ▪ Solution ET = 2.745 fHV = 0.792 Vp 2104 pc/h/In FFS = 50.15 mph c = 2083 pc/h/In S = 46.13 mph D = 45.61 pc/mi/In LOS F
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