Course:
TTE 4201/5205—Traffic Engineering
Task:
Homework #1
Due Date:
Tuesday, September 6, 2011
1.
Consider the following vehicle occupancies, before and after a change in the
downtown parking policy.
Occupancy
Percent of Vehicles
Before
After
1
55%
40%
2
35%
40%
3
10%
20%
The miles per vehicle trip do not change, nor does the number of people traveling.
What is the change in the Vehicle Miles of Travel (VMT)?
2.
A state has a population of 18 million people and an average ownership of 1.8 cars
per person, each driven an average of 10,000mi/year, at 30 mi/gal of gasoline (mpg).
Officials estimate that an additional $75 million per year in revenue will be required
to improve the state’s highway system, and they proposed an increase in the gasoline
tax to meet this need.
Determine the required tax in cents per gallon.
3.
A bridge has been constructed between the mainland and an island. The total cost
(excluding tolls) to travel across the bridge is expressed as
V
C
5
.
0
50
where
V
is
the number of vehicles per hour (vph) and
C
is the cost/vehicle in cents.
The
demand for travel across the bridge is
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 Fall '11
 Moses
 Supply And Demand

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