Grade-Separated Bike Lane

Usage: Limited

A bike lane that is raised above the roadway to sidewalk grade, or in between sidewalk and roadway grade. Grade-separated bike lanes are utilized where there is adequate right of way adjacent to the roadway or connecting through parks or other properties. Grade-separated bike lanes are typically designed as two-way facilities.

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Queensboro Bridge Greenway, Queens
Van Brunt Street, Brooklyn


See benefits of Protected Bike Lane

  • Provides the greatest protection for cycling
  • Can be located either within the public right-of-way or on properties owned by private entities allowing for connection of cycling facilities where on-street facilities are not feasible
  • Grade-separated bike lanes that require capital construction can often include planted areas or trees
  • Because grade-separated bike lanes are not located in the street, curbside access is maintained for motor vehicle loading, parking, or other uses


  • Design consideration must be given to pedestrians with vision or ambulatory disabilities; emergency-vehicle and paratransit access to adjacent buildings; snow-clearing and street-sweeping needs; commercial vehicles loading and unloading; bicycling visibility at intersections; and establishment of right of way
  • Grade change should be clear to all road users
  • If lane is also two-way, see considerations for Two-Way Bike Lane


  • Where the bike lane serves as an important connection to the bike network, or is along a park, waterfront, other open space where cross streets and driveways are infrequent


  • Grade-separated bike lanes are typically designed as two-way facilities
  • Care must be given to the design of grade-separated bike lanes at intersections and driveways to maintain visibility of the cyclist to motorists and to reduce the risk of turning conflicts with motor vehicles
  • In some circumstances (e.g., long stretches along open space or waterfront), a grade-separated bike lane can be designed for biking, walking, and other non-motorized uses rather than as a separate bike facility and sidewalk
  • If designed as a shared-use facility, provide adequate space to accommodate anticipated volumes of lower- and higher-speed users and minimize conflicts


Bike lane table

Bike Lane table [PDF]

See the Bike Lane table [PDF] for a listing of typical bikeway designs and their respective spatial requirements, ideal applications, and advantages and disadvantages.