A city of Boston study shows bike ridership in the city increased as much as 28 percent, to 56,000 trips per day, since 2010. 

With the increase of ridership comes a bump in crash incidents: The Boston Police Department reported a 2 percent increase (488 incidents in 2012), while Emergency Medical Services reported a 9 percent spike (521 incidents.)

More than half of incidents reported by EMS involved riders not wearing a helmet.

As a result of the study findings, Mayor Tom Menino announced his intention to cut the cyclist crash injury rate by 50 percent by 2020. 

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