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MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
5th Edition
ISBN: 9781305577398
Author: Nicholas J. Garber; Lester A. Hoel
Publisher: Cengage Learning US
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Chapter 13, Problem 9P
To determine
The derivation of equivalent annual cost and the computation of the same.
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Engineering economics
3. 8.5 Two different routes are under consideration for a new interstate
highway:
Table P8.5
The "long" route
Transmountain shortcut
Length of
Highway
22 miles
First Cost
$21 million
10 miles
10 miles $45 million
Annual
Upkeep
$140,000
$165.000
Table P8.5 Full Alternative Text
For either route, the volume of traffic will be 400,000 cars per year.
These cars are assumed to operate at $0.25 per mile. Assume a 40-year
life for each road and an interest rate of 10%. Determine which route
should be selected.
Average demand on a rural roadway ranges from zero to 600 veh/day when the cost per trip goes from $1.75 to zero.
(a) Calculate the net user benefits per year (in dollars) if the cost decreases from $1.50 to $0.75/trip (assume a linear demand function).
$ 29
x
Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results
roundoff error.
(b) Compare the value calculated in (a) with the benefits as calculated in typical highway studies. (Enter the benefits in dollars as calculated in typical highway studies.)
$ 88000
x
Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results E
roundoff error.
Chapter 13 Solutions
MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
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