Category Archives: Traffic

The spatial physics of cancer cells

Posted on August 19, 2016 by F. E. Guerra-Pujol

Jammed Cells Expose the Physics of Cancer https://t.co/TakGY21ev0 pic.twitter.com/mpMqxV08Lp — Quanta Magazine (@QuantaMagazine) August 18, 2016

Posted in Nature, Science, Traffic | Leave a comment

Traffic Jam Paradox

Posted on May 10, 2016 by F. E. Guerra-Pujol

Notice how a single car in the video below creates a chain-reaction leading to a traffic jam. Thus the paradox: given driver behavior, what if building more highways (or expanding existing ones) doesn’t result in reductions of traffic jams? Instead, … Continue reading →

Posted in Bayesian Reasoning, Science, Traffic | Leave a comment

The (Most Dangerous) Streets of San Francisco

Posted on February 20, 2015 by F. E. Guerra-Pujol

Posted in Probability, Traffic | Tagged San Francisco | Leave a comment

The economics of parking

Posted on August 29, 2014 by F. E. Guerra-Pujol

Are there too few parking spaces in your city or campus … or too many? Professors Mikhail Chester, Arpad Horvath, and Samer Madanat try to calculate the social costs of parking in their six-page report “Parking Infrastructure and the Environment” published in 2011. … Continue reading →

Posted in Economics, Traffic | Tagged Parking | Leave a comment

The legal philosophy of red-light cameras

Posted on August 25, 2014 by F. E. Guerra-Pujol

Many cities around the world have installed high-tech red-light cameras at busy intersections to increase safety and raise traffic revenues — although some cities are already starting to phase-out these cameras. The debate over the legality of such cameras not only presupposes that many drivers run red … Continue reading →

Posted in Game Theory, Law, Philosophy, Traffic | Tagged H.L.A. Hart, Red Light Cameras | Leave a comment

Email Externalities

Posted on August 18, 2014 by F. E. Guerra-Pujol

Emails are an efficient way of communicating with others across the globe and getting things done. The problem, however, is that many email-senders do not always fully internalize the “time costs” that their emails impose on the recipients of such … Continue reading →