What is the design criteria of highway?

The design criteria for a highway include:
1. Traffic Volume: The number of vehicles that will use the highway must be taken into account when determining the design and construction.
2. Speed Limits: Appropriate speed limits and road markings should be established based on the design and anticipated traffic.
3. Road Geometry: The curve radius, slopes, and cross slopes of the highway must be determined to ensure safety and efficiency.
4. Sight Distance: The line-of-sight distance required for drivers must be considered when planning the layout of the highway.
5. Cross Section: The size, width, and composition of the highway must be planned for efficient traffic flow.
6. Intersections: Intersections and other access points must be designed to fit the needs of the drivers.
7. Horizontal and Vertical Alignment: The alignment of the highway must be optimized for safe driving and efficient operation.
8. Drainage: Adequate drainage must be provided to ensure safe operation.
9. Pavement: Appropriate pavement and surface materials must be selected to reduce wear and tear on vehicles.
10. Signs and Markings: Signs and pavement markings must be provided to alert drivers and ensure compliance with regulations.