However , there were several frontage roads which parallel the freeway allowing us to spend only about 20 miles on the interstate out of the 82 miles we covered during the day .
Today marked the first and last time we rode on an interstate ; I - 90 .
There were several frontage roads which parallel the freeway allowing us to spend only about 20 miles on the interstate out of the 82 miles we covered during the day .
Today marked the first and last time we rode on an interstate ; I - 90 .