In highway planning, a desire-line diagram is mainly used to show:
Correct answer: B. The movement pattern between traffic zones
- A. The variation of pavement thickness along a route
- B. The movement pattern between traffic zones
- C. The cross slope of a road surface
- D. The distribution of stresses beneath a wheel load
Explanation
A desire-line diagram represents the major origin and destination movements between traffic analysis zones. It helps planners identify travel demand patterns and evaluate possible routes or network improvements.
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About Transportation Engineering
Transportation engineering covers highway planning and alignment, traffic studies, road geometric design, pavement materials and flexible or rigid pavement construction. It also includes railway, airport and traffic engineering concepts such as sight distance, superelevation, signals, capacity and level of service, distinguishing pavement failure from poor geometric design.
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