Colorado considers expanding toll road to 10 lanes The Denver Post » A 10-lane highway and Colorado’s first autonomous vehicle lane could be prescription for west-suburban Denver traffic jams. The proposal is the more aggressive of two CDOT is considering for part of C-470, Highway 93 and U.S. 6, but timing of any such project is contingent on hard-won funding. Michelle2018-01-24T10:23:48-08:00January 21st, 2018|Colorado, Highways|