A BFS has two interchanges in six miles. What is the TRD? The same BFS is in rolling terrain, with 23% trucks. What is the fHy? If, in one hour, the number of vehicles counted per 15- minutes in the direction of interest was 502, 753, 657, 343 respectively, what is the PHF? It has been determined that FFS is 65 mph. The hourly volume is the sum of the 15-minues volumes as reported above. What is the LOS?

A BFS has two interchanges in six miles. What is the TRD? The same BFS is in rolling terrain, with 23% trucks. What is the fHy? If, in one hour, the number of vehicles counted per 15- minutes in the direction of interest was 502, 753, 657, 343 respectively, what is the PHF? It has been determined that FFS is 65 mph. The hourly volume is the sum of the 15-minues volumes as reported above. What is the LOS?

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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Question

Note that for this problem 1 interchange = 2 Ramps (1 on ramp 1 off ramp)

Thank you

A BFS has two interchanges in six miles. What is the TRD? The same BFS is in rolling terrain,
with 23% trucks. What is the fay? If, in one hour, the number of vehicles counted per 15-
minutes in the direction of interest was 502, 753, 657, 343 respectively, what is the PHF? It
has been determined that FFS is 65 mph. The hourly volume is the sum of the 15-minues
volumes as reported above. What is the LOS?

Expert Solution

Step 1

Given:-

The number of interchange in six miles = 2

The percent of trucks in rolling terrain = 23%

The number of vehicles counted per 15-min for 1 hour = 502,753,657,343

The free flow speed (FFS) = 65 mph

To determine:-

The value of TRD

The value of f_HV

The value of PHF

The value of LOS

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