I have mentioned this several times on here before, but until now, had never found a photo of it. In the 80's, route marker assemblies on Locust St read "NORTH 77 377 380". The ones on Elm read "BUSINESS 77 377". Neither made sense.
Photo:https://texashistory.unt.edu/ark:/67531/metapth1138828/m1/1/?q=denton (https://texashistory.unt.edu/ark:/67531/metapth1138828/m1/1/?q=denton)