Highway user expectations for ITD winter maintenance.
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2014-07-01
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Abstract:Providing a high Level of Service (LOS) to ensure the safety and mobility for the traveling public is a key objective for winter ; maintenance operations. The goal of this research was to obtain a better understanding of Idaho highway users’ expectations for ; the Idaho Transportation Department’s (ITD) winter maintenance efforts. Input about Idaho residents’ preferences for winter ; maintenance was obtained through a web-based survey and focus groups meetings. Idaho residents were generally satisfied ; with ITD’s winter maintenance operations, and 3 out of 4 felt safe on Idaho’s highways following winter storm events. The ; majority of respondents (60 percent) felt that ITD should maintain the current LOS, and the remaining 40 percent felt the LOS for ; winter maintenance should be increased. Survey respondents indicated a preference for the use of abrasives (45.5 percent), ; followed by the use of chemicals (15 to 19 percent depending on material). Based on the survey findings, it is recommended that ; the current approach to LOS be maintained, with enhancements (e.g. use of corrosion inhibitors should they prove to have a ; positive cost-benefit relationship). In some cases, it may be possible to reduce the quantities of materials being used while ; maintaining the same LOS. Additional efforts could be made to expedite the time required to achieve bare pavement (4 hours) ; which the residents expect. There is a need for public campaign detailing when and why different materials are used for treating ; winter roads.
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Main Document Checksum:urn:sha-512:4c3fbe8f73ce6bd49220dc5b314b85dff435c30291866c412a20fa4d504be1d5bd369798319384c0a071f809a0f79d0fcb545c9e9dd3bb1d7195110749a7e3a7