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WHAT strategies to invest in: <br />The process of evaluating the dozens of potential safety strategies to address pedestrian and bicycle safety <br />is often complicated by perceptions held by residents and elected officials that are based on their intuition, <br />but are often contrary to the facts. A way to deal with the challenge of addressing these perceptions is for <br />city staff to be aware of facts documented by research regarding the effectiveness of pedestrian and bicycle <br />strategies and where on the spectrum of proven not effective to proven effective does each strategy fall. <br />Examples of strategies proven not to be effective include: <br />• Marked Crosswalks: The addition of marked crosswalks alone, without more substantial <br />roadway or traffic control treatments, has NOT been found to reduce pedestrian crash rates. <br />• Traffic Signals: Traffic signals are used to assign right of way to conflicting streams of traffic <br />(vehicles, pedestrians and bicycles) at intersections. By themselves, traffic signals are not <br />considered to be effective safety devices for vehicles, pedestrians or bicycles. Signalized <br />intersections have the highest rate and severity of crashes among intersection traffic control <br />devices and more than one-half of pedestrian and bicycle crashes in Minnesota occur at <br />signalized intersections. <br />Reduced Urban Speed Limits: There is no information in published research to support the <br />notion that lowering urban speed limits either reduces actual operating speeds or serious <br />crashes involving pedestrians and bicycles. MnDOT has conducted more than a dozen local <br />studies and FHWA conducted a national study where speed limits were artificially lowered by <br />changing the numbers on regulatory speed limit signs. In no case was driver behavior changed. <br />Regarding the safety effect of lowering urban speed limits on serious pedestrian and bicycle <br />crashes, it should be noted that each of the four states that border Minnesota have a 25 mph <br />statutory urban speed limit but has a fatal pedestrian and bicycle crash rate that is 11%to 64% <br />higher than Minnesota's. <br />On -Road Bike Lanes: On -Road bike lanes have been deployed extensively around the country and <br />in Minnesota but are not considered to be an effective safety strategy because research results are <br />almost equally divided between locations where bike crashes increased versus locations where <br />bike crashes decreased. <br />Examples of strategies proven effective include: <br />• Sidewalks: Constructing sidewalks have been found <br />to decrease "Walking in Roadway" pedestrian crashes by 50%- <br />90%. <br />• Median Crossing/Refuge Islands: Adding Median Crossing/ <br />Refuge Islands have been found to reduce pedestrian and <br />bicycle crashes by 39%-46%. Curb extensions have been found <br />to reduce pedestrian and bicycle crashes by 39%-46%. <br />• Crosswalk lighting: Adding Crosswalk lighting has been found to <br />reduce pedestrian and bicycle crashes by 33%-44%. <br />Source: MnDOT <br />16 <br />Page 148 of 185 <br />