des moines bike planning overview
DESCRIPTION
Des Moines Bike Plan Overview PresentationTRANSCRIPT
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Des Moines Bicycle and TrailsMaster Plan
TAC Meeting #1
June 18th, 2009
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Project Work Plan
• Final Product: Long-Range Bicycle Network Master Plan
• Existing Conditions/Opportunities-and-Constraints
• Safety and Needs Assessment
• Recommended Bike Network
• Education, Encouragement, Enforcement, Evaluation strategies
• Funding and Implementation
• Draft and Final Plan
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Build on Previous/CurrentPlanning Efforts
• 2006 - City applies for bicycle friendly community designation and is rejected
• 2007 – Council adopted goals to become a bicycle friendly community – conducting a bicycle and trails master plan is a key goal
• 2008 – Council adopts a complete streets policy
• 2009 – Alta is hired by City to conduct master plan
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Bicycle Facilities
Bike lanes
Shared roadways
• Wide outside lanes
• Shared lane markings
• Bicycle Boulevards
Shared use paths
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Bicyclist Types – For Whom do we Plan?
• Strong and fearless
• Enthusiastic and confident
• Interested but concerned
• No way, no how
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The Bicyclist
How much space needed?
• 2-ft. wide handle bars
• 1-ft. “buffer” on each side
• Total: At least 4 ft.
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Bicycle Facilities – How to Select?
Numerous factors:
• Road type (arterial, local street, etc.)
• Traffic volumes
• Speeds
• Traffic mix (e.g., trucks, buses, etc.)
• Expected users – skill, age, volume, destinations
• Road conditions, space, intersections, parking demand
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Bicycle Facilities – Bike Lanes
• Install with new roadway
• Pave shoulder/widen road
• Reduce travel lane or parking lane widths
• Remove travel lanes
• Remove parking
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Bicycle Facilities – Bike Lanes
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Bicycle Facilities – Bike Lanes
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Bicycle Facilities – Wide Outside Lanes
• Used mostly on busy (arterial) streets with insufficient room for bike lanes
• 14’ width desirable• Any wider should include a striped bike lane
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Bicycle Facilities – Shared Lane Markings
• Used in numerous cities worldwide
• FHWA to adopt in 2009
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Bicycle Facilities – Low Volume Streets
• Great for getting around neighborhoods
• Attract riders of all ages, confidence levels
• Not always practical for longer distances
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Bicycle Facilities – Bicycle Boulevards
• Local streets modified to act as thru streets for bicyclists• Traffic calming reduces vehicle speeds & thru trips• Traffic controls give priority to thru bicycle movement• Work best in a connected grid
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Bicycle Facilities – Bicycle Boulevards
Signage
Pavement Markings
Intersection
Treatments
Traffic Calming Traffic Diversion
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Bicycle Facilities - Challenges
• Lack of well-defined routes
• Major streets lacking bicycle facilities
• System gaps
• Conflicts with motorists (e.g., at driveways, intersections)
• Glass, debris, obstructions in bike lanes/shoulders
• Lack of bike parking
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Shared Use Paths
• Intended for pedestrians, bicyclists, other non-motorized users
• Width: 10-14’ paved
• Shy distance: 2-3’
• Overhead clearance: 8-10’
• Roadway separation: 5’ minimum
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Shared Use Paths
Keys to Successful Paths
• Separate from vehicle traffic
• Scenic qualities
• Connected to land uses
• Well-designed street crossings
• Visibility
• Separate different users when necessary
• Proper maintenance
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Other Infrastructure Elements
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Programmatic Elements
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Innovative Treatments
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Thinking practical…..
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….. and thinking big
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Questions??