It's Not a Mileage Marker

Marker for US 54 ramp to Interstate 135 in Wichita, Kansas
Photo courtesy of David Backlin (taken July 2006)

While it looks like the blue mileage markers in use on freeways in Kansas and Missouri, this marker on US 54 in Wichita just indicates that this section of the route is a ramp leading to Interstate 135.