Results of traffic flow studies on a highway indicate that the flow-density relationship can be described by the expression. = a-u,k ufk² If speed and density observations give the data shown below, develop an appropriate expression for speed versus density for this highway. (Use the following as necessary: k. Assume u is in mi/h and k is in veh/mi. Do not include units in your answer.) Speed (mi/h) Density (veh/mi) 56 19 54 26 45 42 39 56 27 72 21 18 86 98 Us 0.5139k+66.4352 × Determine the density (in veh/mi) at which the maximum volume will occur as well as the value of the maximum volume (in veh/h). density at maximum volume maximum volume 64.6383 2147.1277 veh/mi veh/h Also, plot speed versus density and volume versus speed for both the expression developed and the data shown. Comment on the differences between the two sets of curves. (Submit a file with a maximum size of 1 MB.)

Results of traffic flow studies on a highway indicate that the flow-density relationship can be described by the expression. = a-u,k ufk² If speed and density observations give the data shown below, develop an appropriate expression for speed versus density for this highway. (Use the following as necessary: k. Assume u is in mi/h and k is in veh/mi. Do not include units in your answer.) Speed (mi/h) Density (veh/mi) 56 19 54 26 45 42 39 56 27 72 21 18 86 98 Us 0.5139k+66.4352 × Determine the density (in veh/mi) at which the maximum volume will occur as well as the value of the maximum volume (in veh/h). density at maximum volume maximum volume 64.6383 2147.1277 veh/mi veh/h Also, plot speed versus density and volume versus speed for both the expression developed and the data shown. Comment on the differences between the two sets of curves. (Submit a file with a maximum size of 1 MB.)

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter3: Characteristics Of The Driver, The Pedestrian, The Bicyclist, The Vehicle, and The Road

Section: Chapter Questions

Problem 10P

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