Extraction Algorithm of Geometrical Variables for Risky Roads Based on Digital Map 


Vol. 48,  No. 3, pp. 394-403, Mar.  2023
10.7840/kics.2023.48.3.394


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  Abstract

Traffic accidents are caused by various causes such as geometric and human factors. The Korea government is implementing projects to improve the alignment of dangerous roads or to improve places where traffic accidents are frequent. These projects are conducting quantitative evaluation on the suitability of geometric elements for linear improvement of risk roads. Here, looking at the criteria for geometric elements, the MOIS scored 40 points and the MLIT scored 55 points, confirming their importance. However, it is time and money consuming works to check and evaluate the geometric elements of the risk road, and many errors are occurred because the process is not objective. In order to solve this problem, this study developed and verified an extraction algorithm for turning radius and longitudinal slope as geometric factors for melioration priority evaluation of the risk road using digital maps. Therefore, the calculation of the turning radius was derived in a way that the geometric method is suitable, and the longitudinal slope was derived by using the TIN interpolation method, based on 561 verification data. Afterwards, it is necessary to reduce errors with the real world, and its accuracy is expected to be high once the 3D precision map is built.

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[IEEE Style]

HyounseokMoon, ByungilKim, JaehoonJung, "Extraction Algorithm of Geometrical Variables for Risky Roads Based on Digital Map," The Journal of Korean Institute of Communications and Information Sciences, vol. 48, no. 3, pp. 394-403, 2023. DOI: 10.7840/kics.2023.48.3.394.

[ACM Style]

HyounseokMoon, ByungilKim, and JaehoonJung. 2023. Extraction Algorithm of Geometrical Variables for Risky Roads Based on Digital Map. The Journal of Korean Institute of Communications and Information Sciences, 48, 3, (2023), 394-403. DOI: 10.7840/kics.2023.48.3.394.

[KICS Style]

HyounseokMoon, ByungilKim, JaehoonJung, "Extraction Algorithm of Geometrical Variables for Risky Roads Based on Digital Map," The Journal of Korean Institute of Communications and Information Sciences, vol. 48, no. 3, pp. 394-403, 3. 2023. (https://doi.org/10.7840/kics.2023.48.3.394)
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