Traffic Inspector

Traffic Inspector Interview Questions and Answers

Updated 7 Jul 2025
4d ago

Q. Standard of code followed in Qatar for traffic (Work zone traffic management guide, QCS)

Ans.

The standard of code followed in Qatar for traffic is the Work Zone Traffic Management Guide and the Qatar Construction Specifications (QCS).

  • The Work Zone Traffic Management Guide provides guidelines and best practices for managing traffic in work zones.

  • The Qatar Construction Specifications (QCS) outline the technical requirements and standards for construction projects, including traffic management.

  • These codes ensure the safety of road users and workers in work zones.

  • Example...read more

2d ago

Q. Process to be followed for a traffic diversion plan

Ans.

A traffic diversion plan involves several steps to ensure smooth flow of traffic.

  • Identify the need for traffic diversion based on road conditions, construction work, accidents, etc.

  • Conduct a thorough survey of the area to determine alternative routes and assess their feasibility.

  • Develop a detailed plan considering factors like traffic volume, road capacity, and safety measures.

  • Coordinate with relevant authorities, such as police, transportation departments, and local governme...read more

3d ago

Q. Types of standard traffic signs(warning, prohibitory, directional signs)

Ans.

There are three types of standard traffic signs: warning signs, prohibitory signs, and directional signs.

  • Warning signs: These signs alert drivers to potential hazards or changes in road conditions. Examples include signs for curves, slippery roads, and pedestrian crossings.

  • Prohibitory signs: These signs indicate actions that are not allowed. Examples include signs for no entry, no parking, and no U-turn.

  • Directional signs: These signs provide information about directions, dest...read more

5d ago

Q. Minimum width of road during TDP

Ans.

The minimum width of road during TDP varies depending on the type of road and traffic volume.

  • The minimum width of a single lane road during TDP is typically around 3.7 meters.

  • For a two-lane road, the minimum width during TDP is usually around 7.3 meters.

  • In urban areas with heavy traffic, the minimum width of a road during TDP can be as wide as 10 meters or more.

  • The width of roads during TDP is determined by factors such as traffic volume, vehicle types, and safety requirement...read more

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4d ago

Q. Standard size of barriers

Ans.

The standard size of barriers varies depending on their purpose and location.

  • The standard size of traffic barriers is typically around 3 to 4 feet in height.

  • For highway barriers, the standard length is usually 12 to 20 feet.

  • Barriers used in construction sites or events may have different sizes based on the specific requirements.

  • Some examples of standard barrier sizes include 3 feet by 10 feet, 4 feet by 8 feet, and 6 feet by 12 feet.

  • The size of barriers may also be regulated ...read more

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