Skip to Content
Streetsblog Los Angeles home
Streetsblog Los Angeles home
Log In
Streetsblog USA

Great Cities Don’t Have Much Traffic, But They Do Have Congestion

Image: Tomtoms 2013 via Cityclock
Places with less traffic have more congestion. Graphic: City Clock
false

Here's a great visualization of what cities get out of the billions of dollars spent on highways and road expansion: more traffic.

Justin Swan at City Clock made this chart showing the relationship between congestion levels, as measured by TomTom, and car use. (Yes, it has no X axis -- here's Swan's explanation of how to read his chart.) The pattern that emerges is that the places with the most traffic and driving also have the least congestion.

We know from the work of Joe Cortright that the traditional definition of congestion is a poor way to measure people's ability to get around their city -- because it doesn't reflect the actual time people spend traveling. Drivers in Dallas and Houston may stew in gridlock less than people in other cities, but they spend more time on the road.

Swan notes that the most congested places are also the places where people have good travel options that don't involve driving. His chart suggests that car congestion itself is not the problem that needs to be solved -- as long as there are other ways to get around, in a congested city few people will actually have to sit in traffic.

Stay in touch

Sign up for our free newsletter

More from Streetsblog Los Angeles

Strategizing About Reduced Funding in the Active Transportation Program

Funding for Cycle 7 of the Active Transportation Program is less than $200 million, and already there have been requests for fifteen times the amount of available funding

July 18, 2024

Eyes on the Street: Hollywood Boulevard Bike Lanes are Open

The Hollywood bike lanes project, already very much in use, is also already being criticized by commenters at Nextdoor and other social media

July 17, 2024

Eyes on the Street: Vincent Bikeway is Coming Together

The new waterway bike/walk path - with on-street connections - is expected to open later this year

July 17, 2024
See all posts