Apparently this is part of the new Light Rapid Transit line being put in place on St. Clair Avenue in Toronto:
I can’t imagine under what justification could such work would be acceptible. Any thoughts? If you go here, St. Clair ROW – Page 53 – Urban Toronto, you can see more photos of the — not very straight — line.
Smart People I Know 
Correction on this: if you read this blog, http://stevemunro.ca/?p=2947#more-2947, you can see that there are some problems with the photo above. Interesting.