I just tried it again from here in CO. It worked from here, but it was slower than before.
COTRIP
Road Conditions
http://cotrip.org/roadConditions.htm
Here's the front end of the site, but it seems to be running as slow.
COTRIP
"Traveler Information Provided by Intelligent Transportation Systems (ITS) a branch of CDOT"
http://cotrip.org/
Apparently, it also requires browsers that can work with Google Maps.