Chapter 1 The Profession of Transportation
1. What is the total number of miles of public roadways in your state?
What percentage of the highway system mileage is maintained by the
state government (as opposed to local and federal government)? What
percentage of the total public highway system in your state is
comprised of Interstate highways?
Note: These data are available from the Internet site of FHWA’s Office
of Highway Policy Information at
Chapter 2 Transportation Systems and Organizations
The total cost (excluding tolls) to travel across the bridge is expressed
as C = 50 + 0.5V, where V is the number of veh/hr and C is the
cost/vehicle in cents. The demand for travel across the bridge is V =
(a) Determine the volume of traffic across the bridge.
(b) If a toll of 25 cents is added, what is the volume across the bridge?
What volume would be expected with a 50 cent increase?
(c) A tollbooth is to be added, thus reducing the travel time to cross
the bridge. The new cost function is C = 50 + 0.2V. Determine the
volume of traffic that would cross the bridge.
(d) Determine the toll to yield the highest revenue for demand and
supply function in part (a), and the associated demand and revenue.
Chapter 3 Characteristics of the Driver, Pedestrian,
Bicyclist, Vehicle, and the Road
minimum stopping sight distance that should be provided for a level
roadway, and (b) the minimum stopping sight distance that should be
provided for a roadway with a maximum grade of 7 percent.
Note: the term a/g in the appropriate equation is typically rounded to
0.35 for calculation purposes. Assume perception reaction time = 2.5
10. A driver on a level two-lane highway observes a truck completely
blocking the highway. The driver was able to stop her vehicle only 30
ft from the truck. If the driver was driving at 55 mi/h, how far was she
from the truck when she first observed it (assume perception-reaction
time is 1.5 seconds)? How far was she from the truck at the moment
the brakes were applied (use a/g = 0.35)?
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