A four-lane freeway with 12 ft lanes and 5 shoulders is on a 2% grade for the 1.25-mi analysis stretch. There are 2 ramps in this section. If the traffic mix is generally 6% heavy vehicles with a 70/30 SUT/TT split and a PHF of 0.8, how many vehicles can the freeway carry in the peak hour without dropping below Level of Surface (LOS) C?
A four-lane freeway with 12 ft lanes and 5 shoulders is on a 2% grade for the 1.25-mi analysis stretch. There are 2 ramps in this section. If the traffic mix is generally 6% heavy vehicles with a 70/30 SUT/TT split and a PHF of 0.8, how many vehicles can the freeway carry in the peak hour without dropping below Level of Surface (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 8P
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A four-lane freeway with 12 ft lanes and 5 shoulders is on a 2% grade for the 1.25-mi analysis stretch. There are 2 ramps in this section. If the traffic mix is generally 6% heavy vehicles with a 70/30 SUT/TT split and a PHF of 0.8, how many vehicles can the freeway carry in the peak hour without dropping below Level of Surface (LOS) C?
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