Urban Mobility Report

San Francisco Traffic

A Critical Evaluation of the Urban Mobility Report

The Urban Mobility Report (UMR) evaluates traffic congestion problems and recommends congestion reduction solutions. How well does it reflect travelers' priorities?

July 13, 2021 - Todd Litman

Texas Highways

Smart Congestion Costing: A Critical Evaluation of the 'Urban Mobility Report'

The new "Urban Mobility Report" provides widely-cited congestion cost estimates. However, its analysis is neither comprehensive nor objective. Anybody using these estimates should understand its omissions and biases.

August 29, 2019 - Todd Litman

Commuter Traffic

Faulty Assumptions in the TTI Urban Mobility Report

The annual Urban Mobility Report (UMR), published by Texas Transportation Institute (TTI), should come with a warning label.

January 27, 2017 - Todd Litman

Same Source Data, 'Contradictory Conclusions' on Congestion

A curious discrepancy between two major congestion reports using the same data: There is a profound and unexplained discrepancy between the travel trends in the latest Urban Mobility Scorecard report and the data provided by Inrix.

September 3, 2015 - City Commentary

Delay Sign

How Not To Measure Traffic Congestion—Hold the Hyperbole, Please!

The new INRIX congestion costing report is another good example of bad analysis. We just want accurate information; hold the hyperbole, please.

October 14, 2014 - Todd Litman

Congestion Costing Point-Counter-Point

Conventional transportation planning tends to exaggerate congestion costs and roadway expansion benefits, and undervalues other transportation solutions such as improving alternative modes, pricing reforms and smart growth policies.

September 3, 2013 - Todd Litman

Critiquing the "Urban Mobility Report"

The "Urban Mobility Report" produces widely-cited congestion cost estimates. It is biased in various ways that exaggerate congestion costs and roadway expansion benefits. Few users of these cost estimates seem aware of these problems.

March 6, 2013 - Todd Litman

Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.

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.