July 1, 2016, 6am PDT
You remember the one showing the amount of space occupied by 60 people on a bike, 60 people on a bus, and 60 people in cars? It's also helpful for making a convenient point about Uber and self-driving cars.
June 16, 2016, 8am PDT
Seeking relief from noise, pollution, and incessant traffic, the city of Barcelona has a bold plan to repurpose street space. "Superblocks" will route cars around the perimeter, leaving interior streets open for walkers and bikes.
June 7, 2016, 12pm PDT
Accounts of disgruntled residents responding by any means necessary to the flood of cars beckoned by the whims of navigation apps like Waze are spreading across the country.
May 31, 2016, 5am PDT
The latest from China: a concept for street-straddling buses that cars could pass underneath. The giant vehicles could improve worsening traffic and already-dire pollution levels, taking the place of many conventional buses.
May 6, 2016, 5am PDT
What was once a "pipe dream" will soon be reality.
April 29, 2016, 11am PDT
In a significant effort to shift from sprawl toward incentivizing low-carbon transportation options, California is revising the way it measures traffic impacts of development projects under its Environmental Quality Act.
April 12, 2016, 9am PDT
An MIT study determined that traffic lights, and their inefficiencies, could be eliminated if all vehicles were equipped to regulate their speed and "batch" together as they approach intersections.
March 18, 2016, 6am PDT
The 2015 Inrix Traffic Scorecard provides less useful information about traffic problems than previous editions, as discussed in this City Observatory Commentary.
February 7, 2016, 9am PST
When they're not extinguishing actual flames, fire trucks can seem comically over-sized on city streets. Replacing portions of the fleet with smaller response vehicles might save money without sacrificing capability.
January 23, 2016, 7am PST
The "war on cars" and its pushback has a achieved a singular pitch in Belgium, where the national rail service has canvassed the country with a satirical ad campaign excoriating the country's horrible congestion.
January 3, 2016, 9am PST
Attorneys representing the state of New Jersey responded to the allegations of a class action lawsuit rising from the "bridge-gate" scandal.
January 2, 2016, 9am PST
To alleviate tourist traffic and serve residents, the Regional Transportation Commission of Southern Nevada has unveiled a long-term plan to invest billions in transit improvements including light rail and an expanded monorail.
December 23, 2015, 2pm PST
Researchers found a small uptick in Manhattan traffic during rush hour, as Uber gains more riders from 4 to 7 p.m. than taxis lose. Uber also holds general sway over the other boroughs when it comes to for-hire vehicles.
December 21, 2015, 9am PST
Determining whether to widen a street solely based on rush hour traffic ignores how the street is used and who uses it the rest of the day.
December 11, 2015, 5am PST
Not recommended reading for those currently operating a motor vehicle.
December 5, 2015, 1pm PST
Mexico City is considering a novel transit idea: two-person gondolas gliding along an aerial track. The costs of such a system may be far lower than extending the subway system.
November 12, 2015, 12pm PST
Pope Francis' much-publicized visit to the capital in late September saw reductions in congestion and better travel times. Event-specific telecommuting policies and transit route changes appear responsible for the minor miracle.
November 12, 2015, 5am PST
With a growing reputation for heavy local pollution, the city of Madrid will impose reduced speed limits and driving restrictions in its central core. On bad days, transit will be free to ride.
October 13, 2015, 6am PDT
The phrase "traffic congestion" can be misleading; some reductions in traffic speed are less harmful than others.
September 29, 2015, 2pm PDT
Thinking about congestion as an economic problem generates new solutions for the problem as well as a response to accusations of social engineering.