Mile marker signs have long been a part of the landscape along interstates in Oklahoma and other states. For interstates that go north and south, like I-35, the numbers increase as a person travels ...

Officials with the Oklahoma Department of Transportation say crews are installing half-mile markers along I-35 in Cleveland and Garvin counties. The new signs are meant to help drivers provide ...

The state of Idaho recently threw in the towel and replaced the sign for mile marker 420 on U.S. Highway 95 with one that reads "419.9" instead. It follows in the footsteps of Washington state and ...