December 19, 2012, 10am PST
Americans are less mobile than they were decades ago and it's unclear why. Possible explanations include the recession, habits based on family make-up, as well as telecommuting and job trends, but none of these proposed reasons can be easily proven.
September 13, 2012, 5am PDT
Conventional planning tends to consider traffic congestion a
significant cost and roadway expansion the preferred solution. It evaluates
transport system performance based on indicators such as roadway Level of Service (LOS)
and peak-period traffic speeds, and dedicates most transportation resources
(road space and money) to roads and parking facilities. This results in predict
and provide planning in which roadways are expanded to accommodate
anticipated traffic, which creates a self-fulfilling prophecy by inducing
additional vehicle use.
July 28, 2011, 7am PDT
New ideas are emerging to address the mobility issues faced by cities. One specific project focuses on the epicenter of congested America: Los Angeles.
June 2, 2011, 5am PDT
Toronto's lack of focus on transportation planning and the absence of a national strategy for mobility is turning the city into a messy gridlock, according to this column.
May 6, 2011, 5am PDT
This post from <em>This Big City</em> looks at how transportation needs to evolve, and some of the ways it could in the near future.
January 20, 2011, 2pm PST
The Texas Transportation Institute just released its 2010 Urban Mobility Report, which is a standard reference in the road-building industry -- and is seriously flawed, says Joe Cortright.
July 30, 2010, 5am PDT
Safe, reliable, affordable and sustainable public transport options could be integral in addressing inequality in Latin America.
July 13, 2010, 7am PDT
As Brazil prepares to host the 2014 World Cup and 2016 Summer Olympics, its cities are trying to improve their public transit systems.
June 25, 2010, 10am PDT
A new project aimed at reducing car reliance in world cities has paired ten architects with ten cities to create a redesigned public space that encourages a mix of transit modes.
April 18, 2010, 7am PDT
Transportation planner Jarrett Walker, on why transportation planners can't stop applying freeway concepts to transit and the important difference between access and mobility.
March 18, 2010, 12pm PDT
When most people use their cars in urban settings, what sort of vehicle is optimal? MIT's Media Lab asks the question, in their quest to invent the next generation of personal mobility.
February 1, 2010, 6am PST
Let me wade into an ongoing debate among fellow Planetizen bloggers Samuel Staley and Michael Lewyn concerning the meanings of accessibility and mobility, and their implications for transportation and land use policy.
January 28, 2010, 5am PST
In the 1950s, nearly 1/5 of Americans moved each year. That trend is quickly reversing. Americans are now staying put in greater numbers than at any time since World War II, and experts have plenty of opinions on why that is.
January 18, 2010, 12pm PST
An interdisciplinary team of urban designers, architects, and analysts have proposed a neo-retro-futurist scenario for making downtown Portland nearly car-free by 2050.
January 18, 2010, 6am PST
Last week I attended the Transportation Research Boards (TRB) 89th annual meeting, which attracted approximately 10,000 transportation professionals from around the globe to Washington DC. More than 2,000 papers were presented at more than 700 sessions, plus several hundred committee meetings took place. Let me share some highlights.
January 13, 2010, 11am PST
I’m going to riff off a recent Interchange Blog post by Michael Lewyn on the relationship between mobility and accessibility. Given the positive comments from the planning community to Michael’s post, a little engagement may be necessary for both clarity as well as fully understanding the implications of reading too much into the accessibility versus mobility debate.
July 28, 2009, 8am PDT
A huge but largely under-noticed portion of public transit money goes to paratransit -- equipment and services to transport disabled people. Now, cheaper alternatives are emerging.
April 27, 2009, 7am PDT
Fewer Americans moved over the past year than any other year since 1962, according to the U.S. Census Bureau.
February 9, 2009, 11am PST
Often, participants in public debates use words to mean things very different from their common-sense meanings, in order to manipulate the public’s emotions. Two examples in the field of urban planning come to mind.
January 5, 2009, 2pm PST
Transportation and its relationship to the economy have been headline media topics for most of 2008 as we have seen unprecedented swings in fuel prices and travelers responding with declines in vehicle miles of travel (VMT) and unprecedented slowing in new vehicle sales. Transit and Amtrak have seen noticeable ridership growth and there have been cutbacks in demand for and supply of airline capacity. What is increasingly looking like an historic recession combined with a plummeting of gas prices late in 2008 has confounded the diagnosis of energy price impacts on travel.