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SAFETYStudy after study around the worldhas found that greater bicycle usein a city, town or country coincides witha stronger cycling safety recordfatalities in the city have reached historic lows at the sametime that the cycling network has reached its largest extent.Controlling for other factors, serious pedestrian crashes onstreets with bike lanes are 40% less deadly as crashes on otherstreets. On Allerton Avenue in the Bronx, speeding declined7% eastbound and 4% westbound after implementation ofpainted bike lanes. The installation of bike lanes usually involvesa narrowing of the motor vehicle portion of the roadway andindicates to drivers that they need to watch for other road users.These changes lower vehicle speeds and increase driver attention.In addition to safety created by innovative street designs, thelarge increase in cycling that the bicycle lane network has helpedto propel has a feedback effect that increases cycling safety.Study after study around the world has found that greater bicycleuse in a city, town or country coincides with a stronger cycling safetyrecord. A greater presence and visibility of cyclists on city streetshabituates motorists, pedestrians and cyclists themselves to thepresence of regular bicycle traffic. Interactions involving bicyclesbecome a predictable part of the traffic norm, with better safetyoutcomes for all. The CitiBike program may be accelerating thiseffect. Though CitiBike has generated over 5 million bicycle tripsin Manhattan and Brooklyn since its launch on May 27, reportedinjury accidents involving CitiBike riders are fewer than 30, withno fatalities. As of October 2013 city–wide bicycle fatalities areon track for a below–average annual total, with no cyclist fatalitieswithin the bike share service area.Sustainable Streets: 2013 and Beyond29