What are the principles of highway planning?
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The principles of highway planning include safety, efficiency, cost effectiveness, sustainability, mobility, and flexibility. Safety is the most important factor when it comes to highway planning, and this includes proper design, incorporating roadside safety features, ensuring safe speeds and considering the potential for hazardous weather conditions. Efficiency should also be taken into account, as this leads to improved traffic conditions and better utilization of resources. Cost effectiveness is also an important factor, as highways need to be built in an efficient and cost-effective manner.
Sustainability is a further principle, which means that the environmental impacts of highway construction and operation must be reduced. Mobility and flexibility are also needed for a successful highway plan, as roads must be able to handle changes in traffic demand, seasonal conditions and future trends.