Sharrows

Sharrows Are Ineffective, Potentially Counterproductive
Research shows there’s no substitute for protected bike lanes, and sharrows may make roads more dangerous for cyclists.

Calls to Stop Relying on Sharrows Grow Louder
The painted symbols can not only fail to protect bike riders, but can actually make riding conditions less safe.

Early Sharrow Booster: ‘I Was Wrong’
The lane marking was meant to raise awareness and instill shared respect among drivers and cyclists. But their inefficiency has led supporters to denounce sharrows, pushing instead for more robust bike infrastructure that truly protects riders.

How Sharrows Became Cycling’s Most Hated Symbol
Originally designed as a low-cost way to encourage safer road sharing between bikes and cars, the sharrow has become a symbol of the lack of commitment to protected bike infrastructure in many cities.

Opinion: Sharrows Are 'Make Believe Infrastructure'
The road markings known as 'sharrows' are meant to make streets safer for cyclists, but critics argue they're nothing but a convenient compromise that favors drivers and fails to improve road safety.

Study: Bike Lanes Don't Cause Displacement
A longitudinal study shows that bike facilities don't precede neighborhood change or displacement of residents.

Less Paint, More Barriers, Make for Better Urban Cycling
New research from the University of Colorado Denver and the University of New Mexico sheds light on how to make cities safer for cyclists and other road users and refutes some assumptions about bike safety, such as "safety-in-numbers."

Nice Try, Sharrows
End the sharrow experiment, says this columnist.
In Defense of Sharrows
A response to recent research that cast doubt on the effectiveness of sharrows.
When a 3-Foot Clearance for Passing a Cyclist Is Not Enough
Sharrows and 3-foot passing laws are meant to make biking safer in streets in the absence of bike lanes. Bike activists in Iowa want to take safety a step further by requiring motorists to move to another lane, just as they would if passing a car.
New Evidence of the Superiority of Bike Lanes Over Sharrows
A study presented last week to the Transportation Research Board shows that the quality of the bike infrastructure has a significant effect for commuting rates and safety.
Dallas Working to Build More Protected Bike Lanes
Not all bicycle infrastructure is created equal. Dallas planners are working to find new ways to build protected bike lanes instead of sharrows and other half-measures.
DDOT's 2015 Goal: Filling Gaps in Bike Infrastructure
The District Department of Transportation's plans for 2015 include closing critical gaps in the District's bike infrastructure network.
Portland to Evaluate Neighborhood Greenway Program
Portland will launch an effort to evaluate and improve its influential neighborhood greenway system of bike friendly residential corridors.
Louisville's 'Neighborways' Plan to Make Streets Bike Friendly
The Broken Sidewalk blog provides details about an ongoing plan to transform Louisville's low volume streets into "Neighborways."
Super Sharrows: "Feel of a Bike Lane" or Wasted Paint?
New "sharrows on steroids" are being tested In the Allston neighborhood of Boston. Are the markings - parallel dashed lines bracketing a bicycle icon - a legitimate improvement on the controversial practice or "an underwhelming innovation"?
Will Bike-Shaped Parking Racks Increase Driver Awareness?
It might be a stretch to think that attractive sidewalk bike racks will increase motorists' willingness to "share the road", but it helped a bike shop owner convince the city of Hayward, Calif. to approve the installation of the $450 racks.
Sharrows: Panacea for Improving Bike Infrastructure or Placebo?
Cities across the country are embracing the sharrow as a quick and low-cost means of expanding their bicycle infrastructure, but in at least a couple of cities, bike enthusiasts are questioning their effectiveness.
Sharrow Backlash - Are They Working?
Proliferating faster than bike lanes or bike parking racks may be the chevron symbols in the pavement with bicycle icon informing cyclists and motorists alike to "share the road". But can too many sharrows be a bad thing, asks Grist's Elly Blue.
Sharrows Have Their Limits
Sharrows are a great way to give cyclists access to the full traffic lane without designating a bike lane, but as this case in San Francisco illustrates, not all applications are good ones. The presence of a bus-only lane created the problem.
Pagination
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City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research