Carpools

Silver sedan in carpool lane on California freeway on sunny day.

When Carpool Lanes Cause Mayhem

A newly widened Bay Area freeway serves as a reminder of the futility of HOV lanes. There are better ways to manage and mitigate traffic.

October 24, 2025 - Irvin Dawid

Toronto Coronavirus

To Carpool or Not to Carpool: That is the Question for Transit Workers in Toronto

Controversy erupts in Toronto after the TTC informed transit employees that it isn't safe to carpool to work…driving people around on transit.

January 13, 2021 - Toronto Star

Transportation Network Companies

Study Finds UberPOOL Adds to City Traffic by Competing with the Subway

Past studies have shown how ride hailing services have added to congestion. A new study by Bruce Schaller suggests that even ride shares add to traffic, because they pull riders off of more efficient transit options like public transit.

July 29, 2018 - The Washington Post

Public is Receptive to Plans for Express Lanes on Hwy 101 in Bay Area

Caltrans hopes to build two 14-mile high-occupancy toll lanes on Hwy 101 in San Mateo County, one of the region's most congested corridors that lacks carpool lanes. The $534 million project would begin construction in 2019.

December 16, 2017 - The Daily Journal

Utah Policy Makers Want to Push a Toll Hike Higher

Utah's I-15 express lanes are suffering PM peak-hour congestion. The maximum charge is $1 per zone. The Transportation Commission will vote to double it, but the chair of a key legislative committee suggests charging "what the market will bear."

October 6, 2017 - The Salt Lake Tribune

Virginia's New 395 Express Lanes Guaranteed to Fund Public Transit

The $500 million, eight-mile extension, mostly paid by private funds and express lane tolls, broke ground August 9. Transurban, the private company in the public-private partnership, will pay $15 million annually for public transit improvements.

August 14, 2017 - Planetizen

User Fees and Sales Tax Dollars Finance $1.9 Billion Four-Lane Freeway Widening

A 16-mile express lane and general purpose lane will be added in each direction of the San Diego Freeway in Orange County. A $629 million TIFIA loan will be repaid by toll-paying motorists, while all taxpayers pay most of the remainder.

August 5, 2017 - Daily Pilot (Los Angeles Times)

Subsidized Carpool Rides: There's an App for That

Contra Costa County, California, located in the East Bay Area, is looking for new incentives to get commuters to carpool through the congestion region. If only there were an app for that.

June 27, 2017 - Government Technology

Carpool Lane

California's Newest Express Lanes Opened Monday in Riverside County

Two new express lanes in each direction of the 91 Freeway in Corona dubbed the Corona Crawl opened for traffic on March 20. The lanes connect to the 91 Express Lanes in Orange County, providing 18 miles for carpoolers or those willing to pay a toll.

March 22, 2017 - ABC7 Eyewitness News

Facebook Developing Carpool Capabilities

The most popular social media site in the world is the latest entry in the quickly evolving world of mobility applications after filing a patent to for technology that would connect carpoolers.

February 1, 2016 - Tech Insider

Carpooling Falls Out of Favor

In Seattle, parking spaces are reserved for people who carpool into downtown. But in recent years, an increasing amount of those parking spaces are empty.

May 21, 2010 - Seattle Weekly

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.