Share the Road

White bike sharrow symbol painted on road next to green grass.

Sharrows Are Ineffective, Potentially Counterproductive

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

February 26, 2025 - Momentum Magazine

Protected two-way cycletrack on street in London, UK with red double-decker bus in background.

Share the Road

How to reimagine the public realm for a more inclusive and sustainable future.

December 19, 2023 - Alison Sant

Sharrow bike markings on black asphalt two-lane road with snowy trees

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.

January 26, 2023 - Streetsblog USA

Bike Infrastructure

Is ‘Protected Bike Lane’ an Oxymoron?

Some research suggests that separated and even ‘protected’ bike lanes actually increase the likelihood of car-bike collisions.

September 12, 2022 - Forbes

Woonerf Sign

Opinion: Put Pedestrians First—End Jaywalking Laws

To reduce pedestrian deaths, we must restore their rights as primary street users, argues a former NYC traffic commissioner.

April 8, 2021 - New York Daily News

Rainy Biker

Opinion: Self-Driving Cars Aren't Safe Until They Can Detect Bikes

Self-driving car companies have proposed equipping bikes, pedestrians, and even pets with the ability to communicate their positions wirelessly. But should autonomous cars really need the help?

February 9, 2018 - Slate

Ghost Bike

Op-Ed: 'Share the Road' PSAs Aren't Enough to End Bike Fatalities

An op-ed wonders when enough bike fatalities will be enough.

May 14, 2017 - The Orange County Register

Share the Road

How 'Share the Road' Campaigns Distract from the Real Problems of Traffic Safety

Following a close call on his bike, a writer questions the perverted logic of safety campaign slogans that share, equally, the onus for traffic safety between cars and bikes.

August 7, 2014 - The Invisible Visible Man

New Law in Michigan Makes it Easier for Bikers to Turn Right

The new law is for any bike rider who has ever paused to wonder if drivers on the road even understand the meaning of the traditional right turn hand signal.

January 29, 2014 - Associated Press via Detroit Free Press

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.

November 18, 2011 - Grist

"Share The Road" Now Law In Illinois

In this 4:32 minute video in a bike store, Gov. Quinn expresses his enthusiasm for cycling after signing a bill intended to make Illinois the safest state to bicycle. Motorists take heed - expect to be ticketed for driving too close to a cyclist.

July 8, 2010 - The State of Illinois Press Release

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.