Highway Geometric Design for Competitive Exams

Highway Geometric Design - Competitive Exam Level

Q. What is the minimum horizontal curve radius for a design speed of 60 km/h according to AASHTO guidelines?

Solution

AASHTO guidelines recommend a minimum horizontal curve radius of 100 m for a design speed of 60 km/h.

Correct Answer: B — 150 m

Q. What is the primary goal of transportation planning?

Solution

The primary goal of transportation planning is to ensure the efficient and safe movement of people and goods within a region.

Correct Answer: C — To ensure efficient and safe movement of people and goods

Q. What is the purpose of a roundabout in traffic engineering?

Solution

Roundabouts are designed to improve traffic flow and safety by reducing conflict points and promoting continuous movement.

Correct Answer: C — To improve traffic flow and safety

Q. Which geometric design element is critical for ensuring visibility at intersections?

Solution

Sight distance is crucial for visibility at intersections, allowing drivers to see and react to other vehicles.

Correct Answer: A — Sight distance

Q. Which of the following materials is commonly used for the base layer in flexible pavement?

Solution

Granular material is typically used for the base layer in flexible pavement to provide support and drainage.

Correct Answer: C — Granular material

Q. Which type of pavement is known for its flexibility and ability to withstand temperature changes?

Solution

Flexible pavement is designed to accommodate temperature changes and traffic loads due to its flexible nature.

Correct Answer: B — Flexible pavement

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