The elements of designs are influenced by a wide variety of design controls, engineering, criteria and project-specific objectives. The factors are given below-
- Traffic Safety Consideration
- Functional Classification of the roadway
- Projected traffic volume and composition
- Require Design Speed
- Multimodal needs of the surrounding community
- Topography of the surrounding land
- Capital Costs for construction
- Agency funding mechanisms
- Human Sensory Capacities of roadway users
- Vehicle size and performance characteristics
- Public involvement, review and comment
- Environmental Considerations
- Right-of-way impacts and costs
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