Last month we noted that Ray Kelly’s NYPD made a highly visible show of bike enforcement in Prospect Park in response to a pair of crashes where cyclists injured pedestrians. Normally, police don’t react so decisively to locations with high crash rates, but in Prospect Park, the 78th quickly handed out more tickets to cyclists at one spot than they do to speeding motorists in the whole precinct in an average month.

If only NYPD targeted the most dangerous intersections with similar vigor. Streetfilms’ Clarence Eckerson and Streetsblog publisher Mark Gorton went out to Canal and Lafayette, which saw 13 crashes in the month of August alone, to see how traffic is being policed. Here’s what they found.