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School Bike Route Analysis City of Seattle

School Bike Route Analysis City of Seattle. Michael Houston CEE 424 Final Project. Biking in Seattle. More Seattle residents are biking every year Desire for safe, direct routes Choose routes that avoid major hills Safe Routes to School Program is growing Federally funded program

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School Bike Route Analysis City of Seattle

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  1. School Bike Route AnalysisCity of Seattle Michael Houston CEE 424 Final Project

  2. Biking in Seattle • More Seattle residents are biking every year • Desire for safe, direct routes • Choose routes that avoid major hills • Safe Routes to School Program is growing • Federally funded program • More schools are asking for projects

  3. Analysis Problem • Scenario: Older sister at Nathan HaleHigh School wants to pick up younger brother at Laurelhurst Elementary with her new bike

  4. City of Seattle GIS Data • Street Network • Arterials and neighborhood streets • Bike System • Off-street facilities • On-street routes • Elevation • 2-foot contours from the City of Seattle

  5. Bike Network • Multiuse paths • Separate from roads • Bike lanes • Painted lanes on roadway • Urban connectors • Signed bike routes • Residential connectors • Other streets preferred by bikers

  6. Elevation • 2-foot contour shapefile • Created 3-D TIN Lake Washington Lake City Sand Point UW Union Bay

  7. Elevation and Roadway Network • Assigned weights to preferred bike routes • Multiuse paths have the highest rating • Other streets have lowest rating • Grade determined from elevation profile • Higher grades have lower ratings

  8. Three Analyses • Shortest distance • Street network to determine distance • Best bike facilities • Best bike facilities and lowest grade between start and end • Bike facilities and distance • Combines best bike facilities with distance

  9. Results • Shortest distance uses arterial routes • Best bike facilities uses Burke-Gilman Trail • Combination uses a more direct, but compromised route

  10. Conclusions • Shortest route for bikes usually includes arterial streets without bike facilities that may be unsafe • Routes with the best bike facilities often include significant out-of-direction travel to use high quality multiuse pathways • Routes that include bike facilities and distance use some routes with bike lanes and other streets • Not the flattest or safest route, but limits total distance bikers travel

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