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Neighborhood greenway

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neighborhood greenway with sharrow
Going Street greenway in summer 2012.

A neighborhood greenway, also called a bike boulevard or bicycle boulevard, is the City of Portland's name for a relatively low-traffic neighborhood street that's designed to support bicycle, pedestrian, skating or running traffic. They're a major component of the 2010 Portland Bicycle Plan.

As seen in the "1981" slide of this animation, city's first bike boulevard was Southeast Salmon Street, designated as a low-traffic alternative to biking on Belmont Street or Hawthorne Boulevard.

Contents

[edit] Features

Fully developed neighborhood greenways have several key features, project manager Greg Raisman said in summer 2012:

  • speed humps every 325 to 350 feet
  • well-marked crossings of busy streets
  • traffic diverters to prevent through traffic by auto
  • speed limits below 20 mph
  • sharrows in the center of the street and directional signs at key intersections
  • no uncontrolled intersections, and as few stop signs as possible facing the direction of bike travel
  • usually 1,000 auto trips a day or fewer, even before the above improvements were added

This video about neighborhood greenways in Portland was produced by Streetfilms:

[edit] Portland's best bike boulevards

Crosstown Issue cover story
The cover story of our December 2010 print magazine ranked the east side's best and worst bikeways by slowdowns and uncontrolled intersections.

Portland Afoot's print newsmagazine for December 2010, the "Crosstown Issue," ranked every east-side neighborhood greenway in Northeast Portland and Southeast Portland between the Willamette River and 92nd Avenue based on the number of stop signs, stoplights or uncontrolled intersections facing the bike route.

For our purposes, each stop sign or uncontrolled intersection counted as a single "slowdown," while each stoplight counted triple.

All data are from a November 2010 hand count by editor Michael Andersen and contributor Thacher Schmid, who rented a Zipcar for the project. (They also bought a carbon offset for the day's travel.)

[edit] Three highlights

  • The most efficient east/west route, by far, was the route along Going Street and Alberta Street.
  • For north/south trips through Northeast and Southeast Portland, the 70s bikeway was the best.
  • The Harrison/Clay bikeway through inner Southeast Portland had 18 percent fewer slowdowns than the Clinton bikeway.

[edit] North-south bikeways

Listed from west to east (numbers reflect average slowdowns per mile, so lower numbers are better):

  • NE 7th/8th/9th, Dekum to Tillamook: 8.9
  • NE 18th/17th, Dekum to Tillamook: 5.4
  • NE 28th/27th/29th/30th, Dekum to Tillamook: 5.4
  • 33rd/34th/32nd, Gladstone to Glisan: 11.5, the east side's slowest north-south bikeway
  • 43d/41st, Powell to Multnomah: 10.0
  • NE 72nd, Killingsworth to Sacramento: 5.0, the east side's fastest north-south bikeway
  • 72nd/71st/76th/74th, Holgate to Tillamook: 7.1, the clearest north-south route through Southeast Portland, with just 2 uncontrolled intersections

[edit] East-west bikeways

Listed from north to south (numbers reflect average slowdowns per mile, so lower numbers are better):

  • NE Going/Alberta Court/Alberta Street, Vancouver to 72nd: 3.3, by far the east side's fastest bikeway
  • NE Ainsworth/Holman/Parks, Lombard to MLK: 9.6
  • NE Skidmore/9th/Shaver, 72nd to Vancouver: 9.6
  • NE Klickitat/Siskiyou/Fremont Drive, 47th to 92nd: 16.4. With 13 stops and 28 uncontrolled intersections in just 2.5 miles, by far the slowest greenway on the east side.
  • NE Tillamook/Hancock/Grant, 92nd to Vancouver: 8.5
  • NE Everett/Davis/41st/SE Ankeny Street, 71st to Grand: 8.7
  • SE Taylor/Salmon/Yamhill, Water to 92nd: 6.8
  • SE Mill/Lincoln/Harrison/Clay, 92nd to 7th: 4.3, 18 percent fewer stops than the nearby Clinton greenway and the fastest east-west route on the east side.
  • SE Woodward/Tibbetts/Clinton, 87th to Milwaukie: 5.2

[edit] External links


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