What’s the solution to sign blight?

Does anyone have a solution to sign blight?  Like heavy traffic areas nationwide, rights-of-way in Seneca are home to signs of all kinds–too many for motorists to read and drive safely.  A man who lived in Seneca years ago said he thought the city could cut down on some of its free-standing signs on 123 at the East End intersection by attaching them to the overhead railroad bridge.