Bicycle Lanes Cycle track - Iowa Bicycle Coalition · PDF fileCycle tracks in an urban...
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![Page 1: Bicycle Lanes Cycle track - Iowa Bicycle Coalition · PDF fileCycle tracks in an urban environment ... Cycle tracks (protected bikeways) Cycle track ... A cycle track is an exclusive](https://reader034.fdocuments.us/reader034/viewer/2022051508/5ab7a0037f8b9a684c8bba34/html5/thumbnails/1.jpg)
Cycle tracks in an urban environment
Roger Geller
Iowa Bicycle Summit
January 27, 2012
Separation (Comfort) v. Proximity (Access)
Facility Type Separation Proximity Difficulty
Shared route
Shared Lane Marking
Bike Lane
Bike Boulevard
Off-Street Path
Cycle Track
Bicycle Lanes
Protection•Parked cars•Curbing•Intermittent•Elevation
Intersections•Roadways•Driveways
Left turns
Cycle tracks (protected bikeways) Cycle track
An exclusive bicycle facility adjacent to the roadway but separated from motor vehicle traffic by a physical barrier or other buffer.
City of Portland Bicycle Plan for 2030
A cycle track is an exclusive bike facility that combines the user experience of a separated path with the on-street infrastructure of a conventional bike lane. A cycle track is physically separated from motor traffic and distinct from the sidewalk.
NACTO Urban Bikeway Design Guide
Basic design elements
Left turns out of travel lane
Grade-separated bikeway
Treatment to increase visibility approaching intersection
Types of cycle tracks
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Cycle track: one-way protected One-way cycle track
Both sides of street
Cycle track: two-way protected Two-way cycle track
Two-way cycle track
Initiative for Bicycle and Pedestrian Innovation – August
TWO-WAY BIKE LANES
Right-turning driver A is looking for traffic on the left
Left-turning driver B is looking for traffic ahead
Wrong-way cyclist isn’t in the driver's main field of vision
NO! NO! NO!!NO!! NO!!!NO!!!
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Unexpected Movements
Bi-directional paths can create unexpected movements at intersections and driveways
Consider using single direction paths where there are many driveways and intersections
Problems with cycle tracks
1. Mid-block access/egress
2. Visibility at intersections
3. (Passenger) dooring
4. Left turns
5. Maintenance
Facility Elements and design goals
Protection
Parked cars
One-way cycle track
Parking
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Cycle track
Removed a travel laneand moved parking 10’from the curb
Cycle track
Two-Way Separated Bikeways
Prospect Park WestProspect Park WestNew York, NYNew York, NY
Curbing
One-way cycle track
Curb
Protection
New York
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Two-way cycle track
Sydney, New South Wales, Australia
Elevation
One-way cycle track
Elevation
Cycle track
Cully Boulevard, Northeast Portland
A’dam cycle track
Amsterdam, The Netherlands
Intermittent
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One-way cycle track
Intermittent Alameda, CA
San Sebastian
Features:•Striping, marking•Reflective rumble strip•Plastic break-away bollards
Potential for Blockages andReduced Room for Passing
Rolled curbs aid passing/leaving path
Minimum 6.5’ (~2.0m) width to allow for side by side riding and passing
Intersections
Turn Conflicts/Intersections
- Bring cyclists down to roadway level
- Improve sightlines- Signalize- Slow turning drivers- Add high visibility markings
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Left Turns Cycle track intersection approach
Basic design elements
Left turns out of travel lane
Grade-separated bikeway
Treatment to increase visibility approaching intersection
Mixing ZoneNew York City
Two-way cycle tracks on one-way street
Various color combinations
Two-stage left turn: with parking
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Broadway left turn pocketLeft turns from cycle track
Cycle track: one-way protectedat driveway
One-way cycle track
Cycle track: two-way raisedat driveway
Crossing treatments
Pedestrian mixing zone
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Crossing treatments
Motorist’s view approaching ped/bike mixing zone Raised to path level
Other issues
Transition to roadway Maintenance:Sweeping and Snow
- Make path wide enough for street sweeper/plows- Buy smaller street sweepers/plows