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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: 9781305581159
Author: Nicholas J. Garber; Lester A. Hoel
Publisher: Cengage Learning US
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Question
Chapter 4, Problem 22P
To determine
The number of parking bays in the parking lot.
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1. A total of 5,000 person-trips are made between a commercial district and a residential area during
the PM peak hour. Commuters have two modes available, including private automobile and a light-
rail transit system. The following utility function was calibrated using data from the study area from
users of these two modes:
U 3D -0. 50T1 — 0. 50T, — 2. 00С
Data summarizing the operational characteristics and costs associated with each mode are provided in
the following table.
Private
Light-Rail
Parameter
Automobile
Transit
= in-vehicle travel time (min.)
10
T1
T2 = excess time (min.)
C = out-of-pocket cost (dollars)
15
5
10
5.00
2.00
Determine how many trips will be made by each travel mode based on these characteristics.
PARKING STUDIES
PROB 1. Data collected at a parking lot indicate that a total of
300 cars park between 8 a.m. and 6 p.m. 10% of these cars
are parked for an average of 2 hr, 30% for an average of 4 hr,
and the remaining cars are parked for an average of 10 hr.
Determine the space-hours of demand at the lot
PROB 2. If 10% of the parking bays are vacant on average
(between 8 a.m. and 6 p.m.) at the parking lot of PROB1,
determine the number of parking bays in the parking lot.
Assume an efficiency factor of 0.85
Data collected at a parking lot indicate that a total of 300 cars park between 8 a.m. and 6 p.m. 10% of these cars are parked for an average of 2 hr, 30% for an average of 4 hr, and the remaining cars are parked for an average of 10 hr.
1. Determine the space-hours of demand at the lot.
Chapter 4 Solutions
MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
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