Colorado Department of Transportation
The fire-suppression system in the I-70 tunnels is a critical Colorado insurance policy. We toured it to find out why.
The Colorado Sun spoke to the experts who run the tunnels to learn more about their fire suppression system and how they work. Here’s what we found.
Top Stories
Trump’s “energy dominance” push changing plans for 3 million acres of Colorado land, local stewards say
By Jason Blevins Environment Primary category in which blog post is published
Preserving Frank Lloyd Wright’s light touch on Vail Pass
By Jason Blevins Transportation Primary category in which blog post is published
Colorado is spending record sums on transportation. But state highways are getting less.
A partisan split on whether to use state funds to help local governments’ transportation needs foreshadows even more difficult choices down the road
Automakers and state agree on ZEV alternative to get electric vehicles to Colorado faster
Zero emission vehicle mandate still being considered, but this unusual consensus means most automakers now support adoption of controversial standard
Who will pay to rebuild damaged U.S. 36 is unclear, but taxpayers may be stuck with some costs
The contract with the road's toll operator, Plenary Roads Denver, says the state may be responsible for any lost revenue
While Colorado hits brakes on building a hyperloop, private sector engineers are continuing the chase
High-tech travel is taking a back seat in the new CDOT boss’ plans for making commutes more efficient
Work on another I-70 mountain toll lane starts Monday and will span into 2021. Here’s what you need to know.
The lane will run 12 miles in the westbound lanes of the interstate from the Veterans Memorial Tunnels in Idaho Springs to Empire Junction. The eastbound toll lane is already open.
Colorado said a quirky artesian mountain spring has to be capped. Residents are trying one last Hail Mary to save it.
People in Teller County and beyond have used the spring at Gillette Flats, near Cripple Creek, as a free water source for generations
A voluntary effort to speed up the availability of electric vehicles in Colorado has come unplugged
Automakers hoped they could convince Colorado not to adopt controversial zero-emission vehicle standards by volunteering to make more electric-vehicle models available in the state
Colorado’s avalanche season claimed 8 lives. Experts say there’s much to learn from how they died.
The conditions during the historic 2018-2019 snow season left behind damage so mysterious that it's still being sorted through
