What are those blue posts for that are near intersections?

Question

Does anyone know what those blue tower like things are on the side of the road?

In Ann arbor and pittsfield township there are thes blue pole typ thingies that have upside down cones on top of them. they are usually near intersections. what are they for?

Answer 1

. I'm  thinking they are old 'hitching post' for tying up horses.

I bet City Hall would know:

>>  "Supervisor and the Deputy Supervisor and may be contacted by phone at: [phone] or by e-mail at: [e-mail]. " ..