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Çѱ¹µµ·ÎÇÐȸ / v.10, no.4, 2008³â, pp.139-150
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º¯¼öº¯È¯ ±â¹ýÀ» ÀÌ¿ëÇÑ °í¼Óµµ·Î Æ®·³ÆêIC À¯Ã⿬°á·Î ±³Åë»ç°íÀ² ¿¹Ãø¸ðÇü °³¹ß
( Development of Traffic Accident Rate Forecasting Models for Trumpet IC Exit Ramp of Freeway using Variables Transformation Method ) |
| À±º´Á¶; ½Ã¸³ÀÎõÀü¹®´ëÇÐ Åä¸ñ°ú;
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| º» ¿¬±¸´Â µµ·Î¿¬ÀåÃø¸é¿¡¼ º»¼±¿¡ ºñÇØ »ó´ëÀûÀ¸·Î ¿¬°á·Î¿¡¼ ¹ß»ýÇÏ´Â »ç°íºóµµ°¡ ³ô°í, ±³Åë»ç°í°¡ Áõ°¡ÇÏ´Â Ãß¼¼ÀÎ °í¼Óµµ·Î ¿¬°á·ÎÀÇ ±³Åë»ç°í ¿¹Ãø¸ðÇüÀÇ °³¹ß¿¡ ÃÊÁ¡À» µÎ¾ú´Ù. ¿¬°á·Î À¯Çüº°(Á÷°á, ÁØÁ÷°á, ·çÇÁ)·Î Åë°èÀûÀ¸·Î À¯ÀÇÇÑ »ç°íÀÎÀÚ¸¦ ¼±Á¤Çϰí, »ç°íÀ²°úÀÇ °ü°è°¡ ºñ¼±Çü ÀÓÀ» ºÐ¼®ÇÏ¿© º¯¼ö¸¦ º¯Çü(Variables Transformation)ÇÏ¿© All possible ¹æ½ÄÀ¸·Î ¿¹Ãø¸ðÇüÀ» °³¹ßÇϰí, Åë°èÀû Áø´Ü ¹× °ËÁõÀ» °ÅÃÄ À¯ÀǼºÀ» È®ÀÎÇÏ¿´À¸¸ç ÀÌ¿¡ ±âÁ¸ °³¹ß ¸ðÇü¿¡ ºñÇØ ¿¹Ãø·ÂÀÌ ´õ¿í ¿ì¼öÇÑ °á°ú¸¦ º¸¿´´Ù. °³¹ßµÈ »ç°í¿¹Ãø¸ðÇüÀº º¸´Ù ºñ¿ë¸é¿¡¼ È¿À²ÀûÀ̰í, ¾ÈÀüÇÑ Æ®·³ÆêÇü IC ¿¬°á·ÎÀÇ ¼³°è¿Í ¿¬°á·Î ±³Åë»ç°í ¿øÀκм®¿¡ Ȱ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù. |
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| In this study, It is focused on development of the forecasting model about trumpet InterChange(IC) ramp accident because of the frequency of accident in ramp more than highway basic section and trend the increasing accident in ramp. The independent variables was selected through statistical analysis(correlation analysis, multi-collinearity etc) by ramp types(direct, semi-direct and loop). The independent variables and accident rate is non-linear relationship. So it made new variables by transformation of the independent variables. The forecasting models according to exit-ramp type (direct, semi-direct and loop) are built with statistical multi-variable regression using all possible regression method. And the forecasts of the models showed high accuracy statistically. It is expected that the developed models could be employed to design trumpet IC ramp more cost-efficiently and safely and to analyze the causes of traffic accidents happened on the IC ramp. |
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| Ű¿öµå |
| °í¼Óµµ·Î;Æ®·³ÆêÇü TC;¿¬°á·Î;»ç°íÀ²;»ç°í¿¹Ãø¸ðÇü;freeway;trumpet IC;ramp;accident rate;accident forecasting model; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.4, 2008³â, pp.139-150
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806135607941)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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