Totalfinder download mega1/9/2023 ![]() ![]() However, there are no guidelines for designing urban roads so far, and still use the 「Regulation for the standards of the structure and facilities of roads」. This problem has been constantly raised, and there has been an attempt to develop design guidelines for urban roads. Most of these standards are not suitable for urban road design because the regulation provide design specifications that reflect characteristics of rural roads. ![]() ![]() However, when designing urban roads and rural roads, engineers use 「Regulation for the standards of the structure and facilities of roads」 regardless of the characteristics of roads. Roads should be designed to meet their characteristics to improve traffic safety and efficiency. Roads can be divided into urban roads and rural roads depending on their geometry and utilization characteristics.
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