Traffic capacity is defined as:
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- Ability of roadway to accommodate traffic volume in terms of vehicles per hour
- Number of vehicles occupying a unit length of roadway at a given instant expressed as vehicles per km
- Capacity of the lane to accommodate the vehicles width wise (across the road)
- Maximum attainable speed of the vehicles
The Correct Option is A
Solution and Explanation
Step 1: Understanding traffic capacity.
Traffic capacity is the maximum number of vehicles that can pass a given point on a lane or roadway during a specified time period under prevailing conditions.
Step 2: Analysis of options.
- (A) Correct: This matches the standard definition of traffic capacity (vehicles per hour).
- (B) Incorrect: This defines traffic density, not capacity.
- (C) Incorrect: This relates to physical width, not capacity.
- (D) Incorrect: This defines speed, not capacity.
Step 3: Conclusion.
Hence, traffic capacity is correctly defined as option (A).
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