 To minimize the hazards along this portion , a command center staffed with emergency response vehicles and tow trucks on standby monitors cameras along the tunnels and viaducts in the canyon . Traffic signals have been placed at strategic locations to stop traffic in the event of an accident , and variable message signs equipped with radar guns will automatically warn motorists exceeding the design speed of one of the curves . The USDOT makes provision for bicycles , which are usually prohibited along Interstate Highways , along the freeway corridor in Glenwood Canyon . 
