Abstract
Fixed Automated Spray Technology (FAST) is one of the proactive solutions to improve traffic safety during the winter. Although only a limited number of FAST is allowable for actual implementation due to various reasons such as budget constraints, this is increasingly being recognized as an active anti-icing practice in South Korea. Thus, a ranking methodology for prioritizing installation locations must be established. Roadway sections requiring FAST on national highways in South Korea were first examined by conducting a survey with many road agencies, and their prioritization was produced by integrating the Analytical Hierarchy Process (AHP) using a scoring table provided by the Ministry of Land, Infrastructure and Transport (MOLIT). The results show a significant difference between priorities obtained from this methodology and those provided by the MOLIT scoring table only, thereby reflecting a more detailed and systematic order of prioritization. The methodology can be applied to pinpoint priority for implementation of other equipment and/or facilities to ensure more effective winter road management.
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