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Which geometric design element is crucial for ensuring adequate sight distance a
Which geometric design element is crucial for ensuring adequate sight distance at intersections?
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Practice Questions
1 question
Q1
Which geometric design element is crucial for ensuring adequate sight distance at intersections?
Lane width
Vertical alignment
Horizontal alignment
Shoulder width
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Vertical alignment is crucial for ensuring adequate sight distance at intersections, allowing drivers to see oncoming traffic.
Questions & Step-by-step Solutions
1 item
Q
Q: Which geometric design element is crucial for ensuring adequate sight distance at intersections?
Solution:
Vertical alignment is crucial for ensuring adequate sight distance at intersections, allowing drivers to see oncoming traffic.
Steps: 5
Show Steps
Step 1: Understand what sight distance means. It is the distance a driver can see ahead on the road.
Step 2: Recognize that intersections are places where roads meet, and visibility is important for safety.
Step 3: Learn about vertical alignment, which refers to the up and down shape of the road (like hills and valleys).
Step 4: Realize that good vertical alignment helps drivers see oncoming traffic clearly, especially at intersections.
Step 5: Conclude that having proper vertical alignment is crucial for ensuring drivers have enough sight distance to react safely.
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