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Çѱ¹µµ·ÎÇÐȸ / v.9, no.4, 2007³â, pp.83-92
½ÅÈ£±³Â÷·Î ´ëÇâÁÂȸÀü »óÃæ½É°¢µµ ±¸ºÐ¿¡ °üÇÑ ¿¬±¸
( A Study of Opposing Left-Turn Conflict Severity at Signalized Intersections )
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µµ·Î±³Åë¾ÈÀü°ü¸®°ø´Ü(2005)ÀÌ ¹ßÇ¥ÇÑ ÀÚ·á¿¡ ÀÇÇÏ¸é ¿ì¸®³ª¶óÀÇ 2004³â ÃÑ ±³Åë»ç°í °Ç¼ö´Â 220,755°ÇÀ̸ç, »ç¸ÁÀÚ´Â 6,563¸íÀ¸·Î Á¶»çµÇ¾úÀ¸¸ç, ÀÌÁß ±³Â÷·Î¿¡¼­ÀÇ »ç°í°¡ 1/4 ÀÌ»óÀ» Â÷ÁöÇϰí ÀÖ´Â °ÍÀ¸·Î º¸°íÇϰí ÀÖ´Ù. ±³Â÷·Î ±³Åë»ç°í´Â ÅëÇà Æ¯¼º»ó ´ÜÀϷο¡ ºñÇÏ¿© ¸¹Àº »óÃæÁ¡À» °¡Áö°í ÀÖ¾î »ç°íÀÇ ÀáÀ缺ÀÌ ³ôÀº °ÍÀÌ »ç½ÇÀÌ´Ù. ±³Åë»óÃæ±â¹ýÀº ´Ù¾çÇÑ Ãø¸é¿¡¼­ ±âÁ¸ÀÇ ±³Åë»ç°í ÀڷḦ Ȱ¿ëÇÑ ºÐ¼®¹æ¹ýº¸´Ù ±× Ȱ¿ëµµ°¡ ³ôÀ¸¸ç, º¸´Ù ¸¹Àº Çʿ伺ÀÌ Á¦±âµÇ°í ÀÖÁö¸¸, ±âÁ¸ÀÇ ±³Åë»óÃæ±â¹ýÀº ½ÅÈ£±³Â÷·Î¿¡¼­ ¹ß»ýÇÏ´Â ´Ù¾çÇÑ »óÃæÀ¯Çü¿¡ ´ëÇØ »óÃæ¹ß»ýÀÇ ½É°¢µµ¸¦ °í·ÁÇÏÁö ¸øÇÏ´Â ´ÜÁ¡À» °¡Áö°í ÀÖ¾ú´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â ½ÅÈ£À§¹Ý½Ã ¹ß»ýÇÏ´Â ´ëÇâÁÂȸÀü »óÃæÀÇ À¯Çü¿¡ ´ëÇÏ¿© »óÃæ½É°¢µµ¸¦ °í·ÁÇÑ »õ·Î¿î »óÃæÆÇ´Ü±âÁØÀ» Á¤¸³ÇÏ¿´À¸¸ç, À̸¦ ÀÎõ±¤¿ª½ÃÀÇ ±³Åë»ç°í¹ß»ýÀÌ ºó¹øÇÑ ±³Â÷·Î¸¦ ¼±Á¤ÇÏ¿© »óÃæ¼ö¿Í ½É°¢µµ¸¦ ºÐ¼®ÇÏ¿´´Ù. ÃëµæÇÑ ´ë»ó ±³Â÷·ÎÀÇ ¿µ»óÀ» 3½Ã°£ µ¿¾È ºÐ¼®ÇÑ °á°ú, ÃÑ 41°ÇÀÇ ´ëÇâÁÂȸÀü»óÃæÀÌ ¹ß»ýÇÏ¿´À¸¸ç, °¢°¢ÀÇ ½É°¢µµ´Â '»ó'ÀÌ 3°Ç, 'Áß'ÀÌ 10°Ç ±×¸®°í 'ÇÏ'°¡ 28°Ç ¹ß»ýÇÑ °ÍÀ¸·Î È®ÀεǾú´Ù. ½ÅÈ£±³Â÷·Î¿¡¼­ ¹ß»ýÇÏ´Â »óÃæÀ¯ÇüÀÇ ½É°¢µµ ¿¬±¸°¡ ÇÊ¿äÇÑ ±Ù°Å´Â º¸´Ù ±³Â÷·ÎÀÇ ¾ÈÀüµµ¸¦ Æò°¡Çϴµ¥ ÀÖ¾î º¸´Ù Á¤¹ÐÇÏ°Ô Á¢±ÙÇϰíÀÚ ÇÔÀ̸ç, »óÃæÀÇ ½É°¢µµ°¡ °í·ÁµÇÁö ¸øÇÑ ±âÁ¸ÀÇ »óÃæ¹ß»ýÀÇ °Ç¼ö¸¸À» ÀÌ¿ëÇÑ ¿¬±¸·Î´Â »óÃæ¿¬±¸°¡ °¡Áö´Â ÀÇÀǰ¡ Á¦ÇÑÀûÀ̱⠶§¹®ÀÌ´Ù. ¶ÇÇÑ, º» ¿¬±¸ÀÇ °á°ú´Â ´ëÇâÁÂȸÀü»óÃæÀ¯ÇüÀ» ºñ·ÔÇÑ ½ÅÈ£±³Â÷·Î¿¡¼­ ¹ß»ýÇÏ´Â ´Ù¾çÇÑ »óÃæÀ¯ÇüÀÇ ½É°¢µµ ÆÇ´Ü±âÁØÀ» Á¤¸³Çϴµ¥ Áß¿äÇÑ ±âÃÊÀÚ·á°¡ µÉ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.Æ®µé°ú ºÎ¸ð-ÀÚ½Ä À̵¿ ¿¡ÀÌÀüÆ®¿¡ ´ëÇÑ ¸Þ½ÃÁö Àü´ÞÀ» º¸ÀåÇϸç Áߺ¹µÈ ¸Þ½ÃÁö Àü´ÞÀ» ÁÙ¿© ¸Þ½ÃÁö Åë½Å ºñ¿ëÀ» °¨¼Ò½ÃŲ´Ù. »óÈ£ À¯»çÇÑ ¸¶¸ð°æµµ¸¦ °¡Áø´Ù. ÀÌ´Â ¸¶¸ðÀúÇ×ÀÇ ÁöÇ¥·Î °£ÁֵǴ ¼®¿µ°ú ¾ËÄ®¸®Àå¼®ÀÇ ¸ð¿ìµå °ªÀÇ Â÷ÀÌ·Î ¼³¸íµÉ ¼ö ÀÖ´Ù. ÇÑÆí ³¶»êÁö¿ªÀÇ ¿¬±¸¸¦ ÅëÇÏ¿© ±Ô¸íµÈ ¼öÁ÷»ó ä¼®¸éÀÇ ¹æÇâ ¹× °¢Á¾ ¹°¼ºÆ¯¼ºÀÇ Àü¹ÝÀûÀÎ ÀÌÇØ´Â Â÷ÈÄ ÀÌ Áö¿ªÀÇ ¾Ï¼®ÀÚ¿ø Ȱ¿ë ½ÃÁÖ¿ä Á¤º¸·Î Ȱ¿ëµÉ °ÍÀ¸·Î ±â´ëµÈ´Ù.¼¼Æ÷ÀÇ ¼ö¿Í Å©±â°¡ Áõ°¡µÈ °ÍÀ¸·Î È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ƯÈ÷ Á¶Á÷³» À§Ä¡º° ¼¼Æ÷ºÐ¿­ÀÇ °¡½ÃÀû ºñÀ²¿¡¼­´Â pithºÎÀ§ º¸´Ù cortexºÎÀ§¿¡¼­ ¼¼Æ÷ºñÈÄÀÇ ºñÀ²ÀÌ Å« °ÍÀ¸·Î º¸¿´´Ù. Sucrose, CCC ¹× ÀÏÀåÂ÷ÀÌ¿¡ µû¸¥ AGPase Ȱ¼ºÀÇ º¯È­¿¡ À־ ¾Ï󸮿¡¼­´Â sucrose ³óµµ 3%º¸´Ù 8%¿¡¼­ ¾çÈ£ÇÏ¿´°í sucrose 3%, 8%¿¡¼­µµ °¢°¢ CCCÀÇ È¿°ú¸¦ º¼ ¼ö ÀÖ¾ú´Ù. 8½Ã°£ 󸮿¡¼­´Â sucrose ³óµµ 3%º¸´Ù 8%¿¡¼­ ¾çÈ£ÇÏ¿´°í sucrose 3%, 8%¿¡¼­´Â CCCÀÇ È¿°ú°¡ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. 16½Ã°£ ó¸® sucrose ³óµµ 3%º¸´Ù´Â 8%¿¡¼­ ¾çÈ£ÇÏ¿´°í sucrose 3%¿¡¼­´Â CCCÀÇ È¿°ú°¡ ³ªÅ¸³ªÁö ¾Ê¾ÒÀ¸³ª 8%¿¡¼­´Â CCCÀÇ È¿°ú¸¦ º¼ ¼ö ÀÖ¾ú´Ù. °á°úÀûÀ¸·Î sucroseÀÇ ³óµµ°¡ ³ô°í, CCC¿Í ¾Ïó¸®ÀÇ ±«°æÇü¼ºÀÇ ÃËÁøÁ¶°Ç¿¡¼­ AGPaseÀÇ È°¼ºÀÌ ¾çÈ£ÇÔÀ» º¼ ¶§, AGPase°¡ starch ÇÕ¼º¿¡ Áß¿äÇÑ ¹°ÁúÀ̶ó´Â »ç½ÇÀÌ È®ÀεǾú´Ù. Æò±Õ 1.4/2.0Á¡(70%)À¸·Î °¡Àå ³·°Ô Æò°¡µÇ¾úÀ¸¸ç, 'ÀûÁ¤ °Ë»ç½Ã¼³ ¹× ±â±¸ ±¸ºñ' Ç׸ñÀº °ø»êǰ¿¡¼­ Æò±Õ 0.2Á¡À¸·Î Æò°¡µÇ¾î Ÿǰ¸ñ¿¡ ºñÇØ ÇöÀúÈ÷ ³·¾Ò
In 2004, the number of traffic crashes and deaths in Korea are 220,755 and 6,563, respectively. Korea Road Traffic Safety Authority reported that the number of traffic accidents occupies over 25% out of total accidents, and found that traffic crash probability is extremely high at intersections since intersections have various traffic conflict points. A Safety study using Traffic Conflict Technique is much more useful than a study using reported traffic accident data. Existing traffic conflict research hardly considered conflict severity occurring at intersections. So, the study developed new criteria considering conflict severity. Analytic methods precisely detecting crashing points using field surveying data, and applied an application of our new criteria. Opposing left-turn conflict criteria was devided by three groups(high severe conflict, middle severe conflict, and less severe conflict) based on conflict boundary by means of a standard vehicle length. After analyzing field surveying data(3hours), we found totally 41 opposing left-turn conflicts. 3 cases are high severe conflict, and another 10 cases are middle severe conflicts, and the other cases are less severe. Studies related in conflict severity are considerably important to evaluate intersection's detailed safety index, and existing studies(purely conflict counting does not consider severity) have a limitation to clearly determine the level of safety of intersections for an application.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.9, no.4, 2007³â, pp.83-92
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414147961)
¾ð¾î : Çѱ¹¾î
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