Between Smith's Ferry Drive - High Valley Road and Round Valley Road (13 miles south of the Cascade area). Major road construction work is in progress. Until July 30, 2021 at about 11:59PM MDT.

Web Comment: Work is being done to make safety improvements on highway 55, between Smiths Ferry and Rainbow Bridge. Single lane closures should be expected Monday – early Friday Morning, expect delays due to one lane alternating traffic controlled by flaggers. Two lanes of traffic open on the weekends early Friday Morning – Sunday. Width limit 11' 0". Normal HWY-55 length restrictions apply. Truck speed limit 25 MPH. *ITD recommends travelers, especially large vehicles, RVs, and trucks pulling trailers, still use U.S. 95 as the alternate route.