U.S. 20 traffic volume and how it relates to Bonner County

According to the Idaho Transportation Department Board meeting notes, a four lane highway from Ashton to SH 87 would cost up to $700,000,000 in today’s dollars. This is in contrast to an improved two lane that would cost about $100,000,000 according to JUB Engineers and be adequate until 2042. US 20 from Ashton to SH87 is a “seasonal” highway with higher traffic volume June to September...