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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
조원범 (한국건설기술연구원, 서울시립대학교 교통공학과) 정준화 (한국건설기술연구원, 도로교통연구실) 김도경 (서울시립대학교 교통공학과) 박원일 (과학기술연합대학원대학교 통합과정)
저널정보
한국도로학회 한국도로학회논문집 한국도로학회논문집 제17권 제1호
발행연도
2015.1
수록면
129 - 142 (14page)

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초록· 키워드

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PURPOSES : The purpose of this study is to suggest a basis for setting appropriate safety goals specifically related to the threshold zone luminance in a vehicular traffic tunnel. METHODS : In the test, drivers were divided into two groups. One group consisted of all drivers (average drivers) group with an age ratio of drivers holding domestic driver's license and driver group by age to produce threshold zone luminance in the tunnel. The threshold zone luminance produced as a result was used to analyze how it affects the safety level of each driver group and provide a basis for setting an appropriate safety criterion that can be used to determine threshold zone luminance. We used test equipment, test conditions, and ananalysis of threshold zone luminance identical to that reported by ChoandJung(2014) but the values of adaptation luminance in our analys is were expanded to range from100 to $10,000cd/m^2$. RESULTS : Adaptation luminance and threshold zone luminance are found to be related by a quadratic function. The threshold zone luminance needed by older drivers to ensure a certain safety level is significantly higher than that for drivers of other age brackets when adaptation luminance increases. 56% of older drivers are at an increased risk of an accident at the same luminance for which the safety level of average drivers is 75%. The safety level that can be achieved for older drivers increases to above 60% when threshold zone luminance level is set with the goal of attaining a safety level of more than 85% for average drivers. The safety level that can be attained for average drivers is above 90% when the threshold zone luminance is high enough to ensure over 75% in the safety level of older drivers. Results of this study are applicable to highways and others whose designed speed is 100 km/h. CONCLUSIONS : Threshold zone luminance determined on the basis of drivers having average visual ability is of limited value as a performance standard for ensuring the safety of older drivers. Hence, safety level for older drivers should be considered separately from safety levels for drivers with an average ability to avoid risk. Upward adjustment of older drivers' safety level in the process of determining appropriate threshold zone luminance in a vehicular traffic tunnel may bring both tangible and intangible benefit as a result of reducing accidents. However, there is an associated dollar cost arising from installing and operating lights. As a result, the economic impact of these trade-offs should also be considered.
#vehicular traffic tunnel #threshold zone luminance #safety level #age group #aged driver

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참고문헌 (27)

참고문헌 신청
1973 / International recommendations for tunnel lighting / CIE 26-1973, International Commission on Illumination google schola 1984 / Tunnel entrance lighting : A survey of fundamentals for determining the luminance in the threshold zone / CIE 61-1984, International Commission on Illumination google schola 1990 / Guide for the lighting of road tunnels and unde / CIE 88-1990, International Commission on Illumination google schola 2004 / Guide for the lighting of road tunnels and underpass / CIE 88-2004, International Commission on Illumination google schola 2006 / European Road Safety Observatory / Older Drivers google schola

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