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4 cards from this section. Quick, good the night before a test.
What is an at-grade intersection?
Think about how roads intersect at the same height.
Name one type of traffic control used at at-grade intersections.
Consider the signs that direct or stop traffic.
What is the main benefit of a grade-separated intersection?
Think about why vertical separation may reduce accidents.
True or False: At-grade intersections always require traffic lights.
Consider the difference in traffic volume.
Design a new at-grade intersection that minimizes pedestrian conflicts while accommodating bicycle lanes.
Consider the flow of both vehicles and pedestrians.
Evaluate the performance of an existing grade-separated interchange and suggest enhancements based on current traffic conditions.
Look into recent traffic data to inform your evaluation.
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