Congestion

2 days ago
A pair of new studies add to an emerging scientific model of the effect of transportation network companies like Uber and Lyft. The complication: One study reinforces earlier findings, and the other contradicts.
TechCrunch
September 19, 2018, 5am PDT
Even if widening highways enough to relieve all congestion were possible, it would only benefit a very small number of commuters, according to new research.
Streetsblog USA
September 8, 2018, 1pm PDT
CityLab University tackles a widely misunderstood concept: induced demand.
CityLab
September 2, 2018, 1pm PDT
Mayor John Tory announced a 2018 expansion of bike share that will include 3,750 new bikes and 360 new stations.
Daily Hive
September 1, 2018, 1pm PDT
Transportation investment is struggling to keep pace with population growth.
The Columbus Dispatch
August 31, 2018, 11am PDT
Follow up question: Are you sure you want to know the answer to the first question?
Educated Driver
August 21, 2018, 7am PDT
After New York City approved a similar law earlier in Agust, two Chicago alderman have proposed a law that would limit the number of vehicles operating for transportation network companies like Uber and Lyft.
Chicago Tribune
August 7, 2018, 5am PDT
Uber (and Lyft, of course) drivers and taxi drivers hope a cap on the number of ride-hailing vehicles would improve wages and reduce congestion.
The New York Times
August 3, 2018, 6am PDT
Witness the "theatricality of public space."
Mother Jones
July 30, 2018, 8am PDT
To support the taxi industry and reduce congestion, the New York City Council could cap the number of ride-hailing vehicles operating in the city. The cap could be a first major step toward a new era of transportation regulation.
The New York Times
July 29, 2018, 9am PDT
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.
The Washington Post
June 10, 2018, 7am PDT
Because it forces infill and efficient transit, among other things, traffic is actually good per capita GDP and jobs.
Public Square: A CNU Journal
April 25, 2018, 6am PDT
The District of Columbia is attempting to build a data-based model for the mix of public and "shared" transportation modes on its streets, but is still finding holes in the data necessary to build new policies.
The Washington Post
April 20, 2018, 11am PDT
The folks over at City Observatory brew up a "Cappuccino Congestion Index" to show that anything can be shown to cost Americans vast sums of money.
City Observatory
April 15, 2018, 1pm PDT
Beware of transportation officials promising traffic reductions, according to this opinion piece.
The Mercury News
April 6, 2018, 10am PDT
Seattle has been putting its money where its mouth is with policies to discourage driving.
The Seattle Times
March 16, 2018, 12pm PDT
Raise your hand if you envisioned a transportation network optimized to full efficiency by navigation apps.
CityLab
March 15, 2018, 11am PDT
A pilot program by King County Metro and the King County Parks Department in the state of Washington found success in 2017, and is spending the beginning of 2018 looking at options to expand.
Washington Trail Association
March 13, 2018, 7am PDT
Widening highways won't reduce congestion—that's the conclusion of a report paid for by the state agency proposing several highway widening projects in Oregon.
The Portland Mercury
Feature
February 7, 2018, 11am PST
While evidence mounts that Uber and Lyft are stealing rides from public transit, there's still a chance for ride-hailing apps to do more to help than hurt congestion. The key: using ride-hailing apps to carpool.
Dan Sperling, Austin Brown