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COVID-19:
Transportation Response Center
National Association of City Transportation Officials
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NACTO is an association of 86 major North American cities and transit agencies formed to exchange transportation ideas, insights, and practices and cooperatively approach national transportation issues.
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Designing Cities Conference: 2020
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Urban Bikeway Design Guide
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>> Urban Bikeway Design Guide Second Edition Change List
Bike Lanes
Conventional Bike Lanes
Recommended features guidance revision to remove redundant guidance.
Buffered Bike Lanes
Required features guidance revision to clarify buffer and interior cross hatching guidance.
Recommended features guidance revision to specify interior striping dimensions.
Recommended features guidance revised to include side-by-side riding.
Recommended features guidance revised to reduce minimum buffer width to 18″.
Treatment adoption list updated to include additional cities.
Illustration provided to clarify how striping changes can convert conventional bike lanes into buffered bike lanes.
Contra-Flow Bike Lane
Optional Guidance added to address concerns about configuring contra-flow lanes adjacent to parked cars.
Left-Side Bike Lanes
Required features guidance addition to clarify use only on one-way or median-divided streets.
Cycle Tracks
One-Way Protected Cycle Tracks
Treatment description updated for clarity.
Recommended features guidance updated to offer more distinct design details for different protection strategies.
Optional features guidance updated to identify tubular marker chanellizing devices for use as a cycle track protection strategy.
Optional features guidance added to describe options for designing around transit stops.
ADA/PROWAG considerations relocated from optional features into new narrative section.
Maintenance section updated with further details on snow removal and street sweeping considerations.
Raised Cycle Tracks
Recommended features guidance added to clarify preferred curb dimensions and standards.
Optional features guidance added to describe options for designing around transit stops.
ADA/PROWAG considerations added into a new narrative section.
Two-Way Cycle Tracks
Recommended features guidance updated to offer more distinct design details for different protection strategies.
Optional features guidance updated to identify tubular marker chanellizing devices for use as a cycle track protection strategy.
ADA/PROWAG considerations added into a new narrative section.
Intersection Treatments
Bike Boxes
Optional features guidance addition to offer the use of an active display sign to alert users to areas of high potential conflict.
Intersection Crossing Markings
Treatment description updated for clarity.
Optional features guidance addition to include rotated helmeted rider markings.
Optional features guidance addition to encourage a combination of marking strategies.
Two-Stage Turn Queue Boxes
Description modified to include usage with bicycle boulevards.
Description modified to include additional configuration varieties.
Description modified to clarify usage at unsignalized intersections.
Required features guidance addition to clarify configuration in constrained conditions.
Optional features guidance addition to accommodate “Jughandle” style configurations.
Median Refuge Island
Description modified to include use in conjunction with two-stage turn boxes.
Through Bike Lane
Recommended guidance addition to clarify preferred striping when a through lane transitions to a right turn only lane.
Recommended guidance addition to clarify preferred striping when a right turn only lane is added in advance of an intersection.
Illustration revised to show preferred design under multiple turn lane configurations.
Combined Bike Lane/Turn Lane
Description modified to feature a configuration using shared lane markings.
Description added to clarify use as a “Mizing Zone” on cycle track bikeways.
Recommended features guidance added to specify “Mixing Zone” dimensions and design details.
Cycle Track Intersection Approach
Description and recommended features guidance modified to include “Mixing zone” terminology.
Optional features guidance addition to describe options for designing around transit stops.
Illustrations updated to be more inclusive of potential striping options.
Signals
Bicycle Signal Heads
Recommended features guidance updated to enhance guidance on clerance intervals and signal timing for bicyclists.
Optional features guidance updated to incourage use of half-size signal heads for near-side signal installation.
Optional features guidance added to accommodate signalized bicycle turn movement configurations.
Signal Detection and Actuation
3D Images added to illustrate signal detection applications.
Active Warning Beacon for Bike Route at Unsignalized Intersection
Required features guidance added to specify the use of bicycle accessible push button actuation.
3D Images added to illustrate active warning beacon applications.
Hybrid Beacon for Bike Route Crossing of Major Street
“Hybrid Signal” Changed to “Hybrid Beacon” throughout text and guidance.
3D Images added to illustrate hybrid beacon applications.
Bikeway Signing & Marking
Colored Bike Facilities
Description updated to note appliction in a variety of bike facilities such as bike boxes and two-stage turn boxes.
Shared Lane Markings
Recommended features guidance revised to clarify the relationship between SLM placement and traffic conditions.
Illustrations provided to illustrate colored pavement application in conjunction with Shared Lane Markings.
Bike Route Wayfinding Signage and Marking System
Description updated to emphasize the use of large pavement markings for wayfinding.