Podcast
Questions and Answers
What is the design speed of a highway?
What is the design speed of a highway?
- The average speed at which vehicles can travel on a specific highway.
- The speed limit set by the government for a particular highway.
- The maximum safe speed that can be maintained over a section of highway when conditions favor the design features. (correct)
- The minimum safe speed that can be maintained over a section of highway in poor conditions.
Which factor determines the design speed of a very smooth curve?
Which factor determines the design speed of a very smooth curve?
- Alignment of the highway (correct)
- Road surface condition
- Traffic volume on the highway
- Terrain condition
What is the basis for wrong choice in design speed leading to poor alignments?
What is the basis for wrong choice in design speed leading to poor alignments?
- Wrong choice in design speed (correct)
- Incorrect terrain condition
- Inappropriate traffic volume
- Unsuitable road surface condition
What is the primary purpose of stopping sight distance (SSD) in road design?
What is the primary purpose of stopping sight distance (SSD) in road design?
What factor affects the stopping sight distance (SSD) required for a vehicle to stop safely?
What factor affects the stopping sight distance (SSD) required for a vehicle to stop safely?
What is the main concern of traffic engineers in the design of highways?
What is the main concern of traffic engineers in the design of highways?
Which factor can lead to an overspeeding vehicle running out of the highway?
Which factor can lead to an overspeeding vehicle running out of the highway?
What must a driver be able to see ahead in order to do for safe driving?
What must a driver be able to see ahead in order to do for safe driving?
What must the driver be able to do when negotiating an overtaking maneuver?
What must the driver be able to do when negotiating an overtaking maneuver?
Why must the vertical and horizontal curves be designed carefully?
Why must the vertical and horizontal curves be designed carefully?
Flashcards
Design Speed
Design Speed
The maximum safe speed maintainable over a highway section under favorable conditions.
Curve Alignment
Curve Alignment
The arrangement of a highway curve that affects its design speed.
Stopping Sight Distance (SSD)
Stopping Sight Distance (SSD)
The shortest distance required for a vehicle to stop safely at a given speed.
Driver's Reaction Time
Driver's Reaction Time
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Safety in Highway Design
Safety in Highway Design
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Inappropriate Banking
Inappropriate Banking
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Visible Distance Ahead
Visible Distance Ahead
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Overtaking Maneuver
Overtaking Maneuver
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Vertical and Horizontal Curves
Vertical and Horizontal Curves
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Poor Alignment Consequence
Poor Alignment Consequence
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