Traffic flow on a section of a two-lane highway can be described by the Greenshields model, with a mean free speed of 56 mi/h and a jam density of 148 veh/mi/ln. At the time when the flow was 90 percent of the capacity of the highway, a large dump truck loaded with heavy industrial machinery from an adjacent construction site joins the traffic stream and travels at a speed of 14 mi/h for a length of 3.5 mi along the upgrade before turning off onto a dump site. Due to the relatively high flow in the opposite direction, it is impossible for any car to pass the truck. Determine how many vehicles will be in the platoon behind the truck by the time the truck leaves the highway. Your response differs from the correct answer by more than 10%. Double check your calculations. vehicles Traffic flow on a section of a two-lane highway can be described by the Greenshields model, with a mean free speed of56 mi/h and a jam density of 148 veh/mi/In. At the time when the flow was 90 percent of the capacity of the highway, alarge dump truck loaded with heavy industrial machinery from an adjacent construction site joins the traffic stream andtravels at a speed of 14 mi/h for a length of 3.5 mi along the upgrade before turning off onto a dump site. Due to therelatively high flow in the opposite direction, it is impossible for any car to pass the truck. Determine how many vehicleswill be in the platoon behind the truck by the time the truck leaves the highway.389Your response differs from the correct answer by more than 10%. Double check your calculations. vehicles

Step 1:given data:- mean free speed (Vsf) = 56 (mi/h)mean free speed (Vsf) = 90.123 Km/hjam density…

Answered: Traffic flow on a section of a two-lane…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Traffic flow on a section of a two-lane highway can be described by the Greenshields model, with a mean free speed of 56 mi/h and a jam density of 148 veh/mi/ln. At the time when the flow was 90 percent of the capacity of the highway, a large dump truck loaded with heavy industrial machinery from an adjacent construction site joins the traffic stream and travels at a speed of 14 mi/h for a length of 3.5 mi along the upgrade before turning off onto a dump site. Due to the relatively high flow in the opposite direction, it is impossible for any car to pass the truck. Determine how many vehicles will be in the platoon behind the truck by the time the truck leaves the highway.

Your response differs from the correct answer by more than 10%. Double check your calculations. vehicles