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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Study on Estimating Design Hourly Factor Using Design Inflection Point

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Author Won Bum Cho
ISSN 2079-8407
On Pages 553-564
Volume No. 6
Issue No. 10
Issue Date November 1, 2015
Publishing Date November 1, 2015
Keywords Design hourly factor ( K-factor), annual average daily traffic(AADT), design hour volume(DHV), road design


Design hourly factor is defined as the “Design hourly factor determines the certain amount of traffic as design hour volume of target year among hourly traffic distribution on a specific road”. Design hourly factor is very important design factor in aspect of road construction and operational efficiency. This study is intended to evaluate the specific estimate process which is in conformity with the definition of design hourly factor and analyze the priority of estimated design hourly factors so as to review the feasibility of annual average daily traffic ratio for 30th hourly volume or K30 which has been applied as design hourly factor domestically and internationally. Moreover, based on hourly traffic data of national highway and expressway in operation, the cases of design hourly factor analysis were proposed after classifying them by major factor that have effect on traffic demand variation characteristics, thereby providing appropriate design hourly factors to help determine the factor in designing the road.

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