St. Louis, Missouri highway sets up speed traps with continuously changing speed limits.

Motorists on Missouri’s Interstate 270 yesterday experienced for the first time an enforced speed limit that was lowered by remote control. Under a new variable speed limit program, the Missouri Department of Transportation (MoDOT) installed electronic signs that allow officials to reduce the maximum speed limit on particular sections of road by as much as 20 MPH from the basic 60 MPH speed limit.

Motorists who may have missed the sign, perhaps obscured by a passing semi truck, risk being ticketed if they continue driving at 60 MPH.

“A defensive driver, who is paying attention to the road, should be able to pay attention to the speed limit signs, important messages on the overhead message board, his or her speed, as well as paying attention to the other drivers on the road,” the MoDOT website explains. “The Missouri Highway Patrol has the primary responsibility of enforcing those speed limits. They have indicated that they will support the reduced limits and will be using various methods to track speeders and issue tickets.”

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