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Sidewalk Bikeways: A Safety Problem, Not a Safety Solution

Sidewalk Bikeways: A Safety Problem, Not a Safety Solution. Basic Principles. Operating any vehicle in traffic (whether on a roadway or a path) requires: Skills Knowledge Judgment. Basic Principles. Knowledge Rules of the Road Defensive Driving Techniques Judgment

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Sidewalk Bikeways: A Safety Problem, Not a Safety Solution

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  1. Sidewalk Bikeways:A Safety Problem, Not a Safety Solution

  2. Basic Principles Operating any vehicle in traffic (whether on a roadway or a path) requires: • Skills • Knowledge • Judgment

  3. Basic Principles Knowledge • Rules of the Road • Defensive Driving Techniques Judgment • Applying Knowledge and Skills to Existing Conditions

  4. Skills for Cycling on Neighborhood Streets • Starting • Steering/Balance • Braking • Scanning Ahead • Judging Speed of Other Vehicles • Scanning Behind Without Swerving • Driving One-Handed to Signal

  5. Skills for Collector & Arterial Streets • Starting • Steering/Balance • Braking • Scanning Ahead • Judging Speed of Other Vehicles • Scanning Behind Without Swerving • Driving One-Handed to Signal

  6. Skills for Cycling on Sidepaths • Starting • Steering/Balance • Braking • Scanning Ahead • Judging Speed of Other Vehicles • Scanning Behind Without Swerving • Simultaneously scanning ahead and behind • Driving One-Handed to Signal

  7. Which is Safer -- the Street or the Sidewalk? Higher Number Indicates Higher Risk of Bicyclist Crash with a Motorist Relative Risk of Bicycle Facility Types Source: National Bicycle Commuter Survey, William Moritz, University of Washington, Seattle, Human Powered Transportation Program

  8. Problems with Sidewalk Bikeways • Treat bicyclists as pedestrians – however, bicyclists are less maneuverable than pedestrians and therefore less able to deal with the conflicts experienced by pedestrians

  9. Problems with Sidewalk Bikeways • Require users to scan both ahead and behind at intersections • Motorists more likely to block sidepaths than bike lanes or wide curb lanes

  10. Problems with Sidewalk Bikeways • Motorists must scan wider areas than they normally would • Cyclists who choose to stay on the roadway will be harassed

  11. The Skills Myth: “On-Road Cycling Requires More Skill than Sidepath Cycling” • The scanning skills necessary for cycling on a sidepath are MORE COMPLEX than for cycling on the roadway

  12. The Skills Myth: “On-Road Cycling Requires More Skill than Sidepath Cycling” • The motorist’s side of the equation – sidepaths require motorists to scan for cyclists MORE THOROUGHLY than on-road facilities • This often occurs at the same time and place where cyclists are required to conduct more complex scans

  13. The Skills Myth: “On-Road Cycling Requires More Skill than Sidepath Cycling” • For some conflicts, bicyclists on sidepaths must have BETTER braking or steering skills than if they were on the roadway

  14. Conflicts on Unidirectional Sidepaths Compared to Conflicts on Roadways

  15. Left Turns

  16. Unidirectional Paths Are Not Unidirectional • On multi-lane highways, cyclists with a destination a short distance away on the same side of the street will often avoid crossing the street by driving facing traffic

  17. Unidirectional Paths Are Not Unidirectional • A standard five-foot unidirectional path will not safely accommodate two cyclists approaching head-on • Who will enforce it?

  18. Right Turns

  19. Right Turns

  20. What are the Causes of the Most Serious Injuries? (Daytime)

  21. What are the Causes of the Most Serious Injuries? (Nighttime)

  22. A Choice:Greater Increase in Perceived Safety but with a Decrease in Real Safety(sidepath)or aLesser Increase in Perceived Safety with an Increase in Real Safety(bike lane or wide curb lane)

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