What are these?
 

On top of the lightposts...

They look like they'd be traffic cameras (which the city desperately needs)

I know they're not red-light cameras and I've seen em in Brantford too but has anyone else noticed them or know what they are?

http://i634.photobucket.com/albums/u...ps79a31fb9.jpg

maybe cameras to regulate lights? http://www.thespec.com/news/local/ar...gulate-traffic