The Colorado Cross-Disability Coalition says the trains are in violation of the Americans with Disability Act.
CDOT aims to reduce congestion and complaints about the interstate dividing neighborhoods.
The cities are holding meetings to hear what the public thinkgs about a plan to add bus-only lanes to Colfax Avenue during rush hour from Aurora to Denver.
If federal funding stops because Congress can't find a solution, CDOT spokesperson Amy Ford says the state has some money in reserve to finish projects already in progress.
Highway officials say heavy westbound traffic along the I-70 corridor will begin around noon on Thursday and last through 9 p.m., with peak travel delays between 3-7 p.m.
A new study shows that Denver's Stapleton neighborhood isn't as walkable and sustainable as it's marketed to be.
Some of the many new transportation options in Colorado's capital city could spread across the state before long.
Gov. John Hickenlooper has vetoed the Transportation Enterprise Transparency Act, which legislators passed after a controversial public-private deal to improve U.S. 36.