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Traffic Talk: There's no federal mandate for incremented mile markers on interstates

Don Gammill: How frequently do they need to be posted to be of real help to drivers on interstates?
By DON GAMMILL Published: September 17, 2012

“The federal guidelines from the Manual on Uniform Traffic Control Devices give departments of transportation options when it comes to the frequency of placement of mile markers.

“Oklahoma continues to place a mile marker signs at every-mile increments, as described (in the manual) for Reference Location Signs.

“Mile markers are used to assist road users in estimating their progress, to provide a means for identifying the location of emergency incidents and traffic crashes and to aid in highway maintenance and servicing.”

By the way ...

Brenda's people have a nifty little tool for those who want to know the distance between cities and towns in Oklahoma.

The Transportation Department staff ought to know these numbers. They work with them every day.

Now, you can look them up quickly too, if you have the right browser, and you don't even have to try to read the numbers on the map.

Just go to and enter the starting and ending points.

Enjoy your week and drive safely.