Here are some year or two old links about the problem.
http://www.freerepublic.com/focus/f-chat/1747553/posts
http://www.cbc.ca/canada/ottawa/story/2005/11/04/ot-garageopen20051104.html
But I see you already posted to the former...
I could have sworn Detroit was experiencing the same anomaly.
Our issues were in the 80s and 90s. It seems to be continuing, but for a different reason, a new communication system that was put in place after 9-11. I didn’t even remember the article in 2006 that I posted to, thanks for reminding me.