Why do the Dundas East Bikelanes turn into Sharrows west of Broadview?
http://www.thestar.com/news/gta/fixer/article/778147

"Long after the lanes were created east of Broadview, the city looked into extending them over to River but determined there wasn't enough space to put in bike lanes and maintain four lanes of traffic.

Instead, it painted on "sharrows," which alert drivers to share the road with cyclists, he said, adding studies in other cities have shown they are effective. "They're a signal to drivers to expect cyclists … and they indicate to cyclists their proper position on the road," said Egan, adding they also reduce "doorings," when a driver in a parked car opens the door as a cyclist comes along. "