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Part 2: LOS Analysis A multilane highway segment has the following roadway and traffic characteristics: • 1 mile in length • Undivided • Rolling terrain • 11-ft lanes • 5-ft shoulder • 8 access points • 3190 two-way peak hour volume (veh/h) Directional split = 60/40 • PHF = 0.95 • 8% trucks • BFFS 55 mi/h = How many lanes are needed (peak direction) to accommodate this flow rate with a level of service no worse than B? What is the v/c? How many vehicles can be added to the peak hour flow rate before reaching LOS E?

Part 2: LOS Analysis A multilane highway segment has the following roadway and traffic characteristics: • 1 mile in length • Undivided • Rolling terrain • 11-ft lanes • 5-ft shoulder • 8 access points • 3190 two-way peak hour volume (veh/h) Directional split = 60/40 • PHF = 0.95 • 8% trucks • BFFS 55 mi/h = How many lanes are needed (peak direction) to accommodate this flow rate with a level of service no worse than B? What is the v/c? How many vehicles can be added to the peak hour flow rate before reaching LOS E?

Traffic and Highway Engineering
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 21P
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Part 2: LOS Analysis A multilane highway segment has the following roadway and traffic characteristics: • 1 mile in length • Undivided • Rolling terrain • 11-ft lanes • 5-ft shoulder • 8 access points • 3190 two-way peak hour volume (veh/h) Directional split = 60/40 • PHF = 0.95 • 8% trucks • BFFS 55 mi/h = How many lanes are needed (peak direction) to accommodate this flow rate with a level of service no worse than B? What is the v/c? How many vehicles can be added to the peak hour flow rate before reaching LOS E?
Transcribed Image Text:Part 2: LOS Analysis A multilane highway segment has the following roadway and traffic characteristics: • 1 mile in length • Undivided • Rolling terrain • 11-ft lanes • 5-ft shoulder • 8 access points • 3190 two-way peak hour volume (veh/h) Directional split = 60/40 • PHF = 0.95 • 8% trucks • BFFS 55 mi/h = How many lanes are needed (peak direction) to accommodate this flow rate with a level of service no worse than B? What is the v/c? How many vehicles can be added to the peak hour flow rate before reaching LOS E?
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