Researchers at Texas A&M blame the improving economy for congestion's return to American cities.
- The blimp, which will be tethered to the ground, will be flown up to 400 feet above I-25 near Interstate 76 and U.S. Highway 36.Read more
- The bill now goes to the Senate.Read more
Ten people have died in crashes on Interstate 25 in northern Colorado this year.
The car-less revolution isn't here just yet -- at least in the Denver metro area.
Investigators face a daunting task untangling a 104-vehicle pileup on I-25 in Denver.