US 287 and Isabelle Road
Boulder County Public Works and its contractors have begun safety improvements at the US 287 and Isabelle Road intersection. Detours may occur as they prepare to install temporary traffic signals. Work hours are Monday-Friday, 8 a.m. to 4:30 p.m., and sometimes weekends.
Beginning Monday, November 30 - Friday, December 4, 2020 travelers can expect a one-lane closure with flagging between 8 a.m. and 4:30 p.m.