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The width of carriageway for multi-lane pavements as recommended by Indian roads congress is:
  • a)
    3.5 m per lane
  • b)
    Parabolic
  • c)
    2.5 m per lane
  • d)
    3.65 m per lane
Correct answer is option 'A'. Can you explain this answer?
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Width of Carriageway for Multi-lane Pavements

The Indian Roads Congress (IRC) provides guidelines and recommendations for the design and construction of roads and highways in India. The width of the carriageway for multi-lane pavements is one such aspect that is addressed by the IRC.

Recommended Width
According to the Indian Roads Congress, the recommended width of a carriageway for multi-lane pavements is 3.5 meters per lane. This means that each lane should have a width of 3.5 meters. This recommendation is based on various factors such as traffic volume, vehicle types, and safety considerations.

Reasoning
1. Traffic Volume: The width of the carriageway is influenced by the volume of traffic on the road. Multi-lane pavements are designed to accommodate a higher volume of traffic compared to single-lane roads. By providing a width of 3.5 meters per lane, it allows for smoother traffic flow and reduces congestion.

2. Vehicle Types: The width of the carriageway also takes into account the types of vehicles that will be using the road. In India, various types of vehicles such as cars, buses, and trucks share the same road space. By providing a wider carriageway, it allows for safe maneuvering and reduces the chances of accidents.

3. Safety Considerations: Safety is a primary concern in road design. The width of the carriageway plays a crucial role in ensuring the safety of road users. A wider carriageway allows for better separation between vehicles, reducing the chances of collisions. It also provides space for emergency vehicles and facilitates overtaking maneuvers.

Advantages of 3.5 Meters Width
- Smooth Traffic Flow: The wider carriageway allows for smoother traffic flow, reducing congestion and delays.
- Improved Safety: The separation between lanes reduces the chances of accidents and provides space for emergency vehicles.
- Overtaking Space: The wider carriageway provides space for vehicles to overtake safely, improving overall road safety.

Conclusion
The Indian Roads Congress recommends a width of 3.5 meters per lane for multi-lane pavements. This width is based on considerations such as traffic volume, vehicle types, and safety. By providing a wider carriageway, it ensures smooth traffic flow, improves safety, and allows for overtaking maneuvers.
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The width of carriageway for multi-lane pavements as recommended by Indian roads congress is:a)3.5 m per laneb)Parabolicc)2.5 m per laned)3.65 m per laneCorrect answer is option 'A'. Can you explain this answer?
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