Average Daily Trips
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资源简介：
County roads with Average Daily Trip (ADT) values. ADT values are from a variety of sources, including actual counts and estimates. ADT data is stored on the Mobility road management software and data system established by the Washington County Road Administration Board (http://www.crab.wa.gov/Technology/Mobility/).
提供机构：
Island County GIS创建时间：
2018-03-16
