Types of Roads for Highways

There are different types of roads available for highways, and each has its own advantages and disadvantages. However, bituminous roads are the most preferred type of roads for highways due to several reasons.

Advantages of Bituminous Roads

- Smooth Surface: Bituminous roads provide a smooth surface for vehicles to travel on, reducing the wear and tear of vehicle tires and enhancing fuel efficiency.

- Durability: Bituminous roads are highly durable and can withstand heavy traffic, extreme weather conditions, and other external factors.

- Easy Maintenance: These roads are easy to maintain, with minor repairs and resurfacing being sufficient to keep them in good condition.

- Cost-Effective: Bituminous roads are cost-effective compared to other types of roads, mainly due to their durability and easy maintenance.

Disadvantages of Other Types of Roads

- Cement Concrete Roads: Although cement concrete roads are highly durable, they are expensive to construct and maintain. They are also prone to cracking in extreme weather conditions.

- Gravel Roads: Gravel roads are not suitable for highways as they are not smooth and can cause wear and tear of vehicle tires. They are also not suitable for heavy traffic and extreme weather conditions.

- Unpaved Surfaces: Unpaved surfaces are not suitable for highways as they are prone to erosion, dust, and mud. They are also not suitable for heavy traffic and extreme weather conditions.

Conclusion

In conclusion, bituminous roads are the most preferred type of roads for highways due to their smooth surface, durability, easy maintenance, and cost-effectiveness. Other types of roads such as cement concrete roads, gravel roads, and unpaved surfaces are not suitable for highways due to various reasons.