For a long time there has been discussion among road enthusiasts about the unusual duplex of OK 20 and AR 43 which runs along five miles of the Oklahoma/Arkansas state line south from Southwest City, Missouri.

Here's a well-known sign error facing north from the OK 20/AR 43 split.

After all the scuttlebutt over the error, action was finally taken to change the assembly.

Here's the most likely suspect behind the change.

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