Heavy highway Exam Rated A+
Verified Brand New!!
What is the transportation system? What is the importance of the transportation system
for the country and people? (Topic 1) - Answer- - It is a facility consisting of the means
and equipment necessary for the movement of passengers or goods,
- it has a Significant impact on the economy of an area and provides access to make
use of natural resources.
When is the first toll road build in USA? (Topic 1) - Answer- 1794
When USDOT was established? (Topic 1) - Answer- 1967
Which road is the busiest road in Massachusetts? (Topic 1) - Answer- 93
How many modes of transportation systems are discussed in the textbook? (Topic 2) -
Answer- land, air,sea
What are advantages and disadvantages of air, road, rail, and water mode of
transportation? - Answer- 1)Air advantages= fastest, can get to remote places,
disadvantages= expensive, weather can affect it
2)Road Advantages= flexible, different routes are available, door to door service,
Disadvantages = depends on climate and expensive for long distance
3)Rail Advantages = great for long distance, no traffic, less dependent of weather,
Disadvantages = high investment cost
4)Water Advantages = safest travel, best for heavy loads, Disadvantages = slower, very
dependent on weather
What factors are considered when defining a level of service? (Topic 2 - Answer- Travel
Time
Frequency
Comfort
Reliability
Convenience
Safety
What are three transit modes of public transportation? (Topic 2) - Answer- 1) Mass
Transit (Subways, Buses, Light Rail)
- Fixed Routes
- Fixed Schedules
, 2) Paratransit (Special transportation service for disabilities)
- More Flexible
- Personnel Service
- Available on Demand
3) Ridesharing (participate in an arrangement in which a passenger travels in a private
vehicle, for free or for a fee)
- Uber / Carpool / Share Ride Taxi
What are four main components of transportation? (Topic 3) - Answer- Driver
Pedestrian
Vehicle
Road
What is PIEV? What is the importance of PIEV? (Topic 3) - Answer- Perception-
reaction time
Important to find your breaking distance
What are forces that act on the vehicle while it is in motion (Dynamic characteristics)
(Topic 3) - Answer- 1) Air Resistance = In the front of the vehicle Frictional force around
the vehicle
2)Grade Resistance - Going up grade, weight acts downward along the place of the
highway
3)Rolling Resistance - Forces within it self resist motion (friction)
4) Curve Resistance - External forces act of front wheels
What is stopping sight distance? What is passing sight distance? - Answer- Length of
the roadway a driver can see ahead at any particular time
Needs to be adequate for a driver to perceive and react to an object on the road based
on the speed limit
What is crash? How can you prevent crash? What factors are involved in the highway
crashes? (Topic 4) - Answer- Crash= implies that the collision could have been
prevented or minimized by modifying driver behavior, vehicle design, roadway
geometry, or the traveling environment
Factors are;
1) Human Factors
-Driver or operator action
- Major cause of highway crashes is driver error
- Giving traffic information in a consistent way helps to prevent crashes
2) Vehicle Condition
Verified Brand New!!
What is the transportation system? What is the importance of the transportation system
for the country and people? (Topic 1) - Answer- - It is a facility consisting of the means
and equipment necessary for the movement of passengers or goods,
- it has a Significant impact on the economy of an area and provides access to make
use of natural resources.
When is the first toll road build in USA? (Topic 1) - Answer- 1794
When USDOT was established? (Topic 1) - Answer- 1967
Which road is the busiest road in Massachusetts? (Topic 1) - Answer- 93
How many modes of transportation systems are discussed in the textbook? (Topic 2) -
Answer- land, air,sea
What are advantages and disadvantages of air, road, rail, and water mode of
transportation? - Answer- 1)Air advantages= fastest, can get to remote places,
disadvantages= expensive, weather can affect it
2)Road Advantages= flexible, different routes are available, door to door service,
Disadvantages = depends on climate and expensive for long distance
3)Rail Advantages = great for long distance, no traffic, less dependent of weather,
Disadvantages = high investment cost
4)Water Advantages = safest travel, best for heavy loads, Disadvantages = slower, very
dependent on weather
What factors are considered when defining a level of service? (Topic 2 - Answer- Travel
Time
Frequency
Comfort
Reliability
Convenience
Safety
What are three transit modes of public transportation? (Topic 2) - Answer- 1) Mass
Transit (Subways, Buses, Light Rail)
- Fixed Routes
- Fixed Schedules
, 2) Paratransit (Special transportation service for disabilities)
- More Flexible
- Personnel Service
- Available on Demand
3) Ridesharing (participate in an arrangement in which a passenger travels in a private
vehicle, for free or for a fee)
- Uber / Carpool / Share Ride Taxi
What are four main components of transportation? (Topic 3) - Answer- Driver
Pedestrian
Vehicle
Road
What is PIEV? What is the importance of PIEV? (Topic 3) - Answer- Perception-
reaction time
Important to find your breaking distance
What are forces that act on the vehicle while it is in motion (Dynamic characteristics)
(Topic 3) - Answer- 1) Air Resistance = In the front of the vehicle Frictional force around
the vehicle
2)Grade Resistance - Going up grade, weight acts downward along the place of the
highway
3)Rolling Resistance - Forces within it self resist motion (friction)
4) Curve Resistance - External forces act of front wheels
What is stopping sight distance? What is passing sight distance? - Answer- Length of
the roadway a driver can see ahead at any particular time
Needs to be adequate for a driver to perceive and react to an object on the road based
on the speed limit
What is crash? How can you prevent crash? What factors are involved in the highway
crashes? (Topic 4) - Answer- Crash= implies that the collision could have been
prevented or minimized by modifying driver behavior, vehicle design, roadway
geometry, or the traveling environment
Factors are;
1) Human Factors
-Driver or operator action
- Major cause of highway crashes is driver error
- Giving traffic information in a consistent way helps to prevent crashes
2) Vehicle Condition
