Spring extended-season ice road operation near Prudhoe Bay, Alaska, Snap Lake, NWT and Attawapiskat, Ontario is studied in this paper. Spring season operation at each of these sites is presented with a focus on engineering design and monitoring of conditions relative to accepted standards for safe operation. Ice profile temperatures and borehole jack strength measurements are a key parameter discussed in this paper to ensure safe operation. Date of ice road closure during a particular year or years of operation is presented for each site.

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