Bikeways 101: Lessons from San Francisco · PDF fileBikeways 101: Lessons from San Francisco...
Transcript of Bikeways 101: Lessons from San Francisco · PDF fileBikeways 101: Lessons from San Francisco...
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Bikeways 101: Lessons from San FranciscoMike SallaberrySFMTA
Bikeways 101: Lessons from San FranciscoMike SallaberrySFMTA
10 | 15 | 2011NACTO Workshop - Chicago IL
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Background• 2nd Highest Density in the
U.S.
• 47 square miles
• Mild Climate
• Population ~810,000
• Hilly (steepest hill 31.5%)
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Space is a Limited ResourceUse it Wisely!
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Bicycle Traffic Signal at Fell/Masonic
SF State of Cycling Report identified top three barriers to more cycling
• Need for more bike lanes• Fear of cars• Fear of crossing major streets
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5
Road DietsExcess capacity removed, extra space reallocated for other purposes:- Bike Lanes- Wider Sidewalks- Median (raised/planted or street level/painted)
San Francisco has done more (40+) than any other North American city
FHWA diagram
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Valencia Street
Road Diet in 1999
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Road Diets
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“Dooring” collisions, wrong-way riding, sidewalk riding,
motorists squeezing cyclists against curb or parked cars
Shared Lane Markings (sharrows)
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Education & Outreach
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Contraflow Bike Lanes
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Scott Street Bike Box and Left Turn Lane
Other Bike Boxes: Market St and 14th/Folsom StOther Left Turn Lanes: Howard St, 7th St, 16th St, Laguna Honda Blvd
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• Higher Visibility• Marketing/Branding• However, cost is 5x to 10x cost of
regular bike lane/marking
Colored Bicycle Facilities
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• Signals timing set to 13 mph progression at 11 intersections
• One of SF’s highest-use bicycle corridors (700 cyclists during 1.5 hour count – up from 220)
• Parallel corridors ideal for transit (Mission) and automobile traffic (Guerrero)
• SF’s complex grid and topography limit where green waves can be implemented
Valencia Green Wave
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Pavement to Parks - “Parklets”
A result of improved inter-agency coordination
Car parking spaces converted to ped/bike uses
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15
On-Street Bike Parking/Corrals
1 car space =
10 to 12 bike
spaces
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Wider Bike Lanes
Buffered Bike LaneAlemany Boulevard
Wider Bike + Parking LaneScott Street
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Separated Bikeways/Cycletracks in SF
Laguna Honda Boulevard
Division StreetAlemany Boulevard
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Market Street
Separated bikeway, diversion of traffic, color
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JFK Drive(draft proposals)
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• On-street exclusive bike facility physically separated from motor traffic
• Cyclists physically separated from moving vehicles, midblock (+)
• Buffer between bikeway and parking reduces risk of “dooring” (+)
• Vehicles do not have to cross bikeway to park (+)
• Reduced motorists blocking of bike space (+)
• More complex intersections (-)
• Reduced visibility of cyclists for motorists turning into driveways (-)
• Pedestrians must cross cycle track to get to parked vehicles (-)
• Cost (-)
• Maintenance (-)
Cycle Tracks
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Intersection Design Challenges
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Masonic AvenueComplete Street and Raised Cycletracks
Key Challenge: Cost$20 Million to Construct
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Road Diets – Complete Streets
50,000+veh/day – LOS F accepted
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Designing for Peak Motor Vehicle Flow
vehi
cles
per
hou
r
Level of Service “F”
Peak
Per
iod
Unused Capacity
Unused Capacity
# of vehicles per hour
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Bicycle Boulevards/ Neighborhood Greenways
• Combination of Traffic Calming Elements
• For Shared Bicycle Routes and Neighborhood Greenways
• Slower Traffic = More Comfort/Safety for Cycling and Walking
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Lower Speed Limits and Prevailing Speeds
Bike Routes, Home Zones, School Zones, Neighborhood Arterials
Recently done or underway:Masonic AvenueFolsom StreetHoward StreetKing StreetThe EmbarcaderoJohn Muir DriveBroadway Tunnel
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Bicycle SharingSpring 2012
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Automated Bike Counters
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Sunday Streets
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Pedestrians and Bicycling are
Good for Business
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Gold Level Bike Friendly Community by League of American Bicyclists in 2006
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Changes in Mode Share in SF
Source: US Census American Community Survey
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Key GoalPositive Feedback Loop
MORE PEOPLE RIDING
More demand(for bicycle accommodation)
More accommodation
More awareness of cyclists
More safety
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Q/A…
Thank you!