By Greg Nieto | Fox 31 News
After another busy weekend on Interstate 70 in the Colorado high country, some drivers are once again asking why the mountain express lanes are not always accessible.
The 13-mile stretch of I-70 goes from Idaho Springs to U.S. 40.
Tim Hoover, the Colorado Department of Transportation’s deputy director of communications, policy and programs, said by federal agreement, the lanes can only be open so many days and hours a year, adding: