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David Levinson
Works at University of Minnesota
Attended University of California, Berkeley
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David Levinson

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Elements of Access: Queues

by Kay Axhausen In simple terms, we are either traveling unaffected by the movements of others (which engineers call freeflow), or we are slowed by others (which we call queueing), either directly, due to interactions (such as congestion), or because of…
by Kay Axhausen In simple terms, we are either traveling unaffected by the movements of others (which engineers call freeflow), or we are slowed by others (which we call queueing), either directly,...
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David Levinson

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New analysis shows far more Twin Cities residents walking, biking to work

MPR News reporter Jon Collins covers our recent bike study: New analysis shows far more Twin Cities residents walking, biking to work. My quotes below, though most of  the work is due to PhD Candidate Jessica Schoner and Prof. Greg Lindsey. The full…
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David Levinson

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Originally posted on Transportationist:We were returning from Harrogate to London last night on the Great North Eastern Railway (GNER) after attending the well-run and interesting UTSG conference. The trip from Harrogate to Leeds was uneventful. On the…
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Biking and walking are on the rise in the Twin Cities

Throughout the past decade, the popularity and importance of biking and walking have increased significantly across the nation. Pinpointing exactly how people incorporate biking and walking into their travel behavior, however, is a persistent challenge.…
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For whom is transit?

In the May 11 Finance and Commerce, Matt Kramer, a local Chamber of Commerce representative lobbying for additional public transit and transportation spending (currently being debated at the Minnesota Legislature) is quoted as saying “Every person who is…
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Elements of Access: One-Way Streets

by Wes Marshall. Why do traffic engineers seem to like one-way streets so much? The AASHTO Green Book points out a handful of efficiency advantages [1]. By removing the delay caused by left-turning cars, we increase traffic capacity and speed. Fewer…
by Wes Marshall. Why do traffic engineers seem to like one-way streets so much? The AASHTO Green Book points out a handful of efficiency advantages [1]. By removing the delay caused by left-turning...
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Have him in circles
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David Levinson

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Five myths about traffic

Tom Vanderbilt write Five myths about traffic in the Washington Post: 1. More roads = less traffic. This is the granddaddy of all traffic myths, one still held dear by the average driver and certain precincts of state highway offices. More funding for…
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Time is Mis-underestimated (Vierordt’s Law)

Sometimes people think places are farther away than they really are, and other times they are closer. Freeways seem to take shorter than they really area, local streets longer. This in part has to do with task complexity, or the “mental transaction costs”…
Sometimes people think places are farther away than they really are, and other times they are closer. Freeways seem to take shorter than they really area, local streets longer. This in part has to ...
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Budget Cuts to Blame? With Amtrak, Smaller May Be Better, Experts Say - US News

With the recent Amtrak crash, media has once again taken interest in the sorry state of passenger rail in the US. I get quoted in an article by Alan Neuhauser for US News and World Report: With Amtrak, Smaller May Be Better: Slashing the rail service’s…
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When we think of the cities that are “most walkable,” it’s often in terms of pedestrian networks such as sidewalks and trails. However, there’s another factor at play in determining which cities are truly most pedestrian-friendly: accessibility. In a new…
When we think of the cities that are “most walkable,” it’s often in terms of pedestrian networks such as sidewalks and trails. However, there’s another factor at play in determining which cities ar...
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Drones

I tweeted with Randall Munroe’s XKCD Steve Crandall (who you may know better as @tingilinde ) writes in: Actually Randall may not be far off in this one.  The definition of air rights was left poorly defined by the Supreme Court in the 40s and FAA rules,…
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Elements of Access: Why the home addresses of your friends are causing global warming

by Kay Axhausen In the industrialized world leisure travel makes up about 40% of all trips and 40% of all distance travelled: the largest and fastest growing segment of the travel market in these societies. Leisure is a catch-all category in standard…
by Kay Axhausen In the industrialized world leisure travel makes up about 40% of all trips and 40% of all distance travelled: the largest and fastest growing segment of the travel market in these s...
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Have him in circles
169 people
Jeremy Horwitz's profile photo
Erik Ferguson's profile photo
Samy Boulos's profile photo
Kunlei Ma's profile photo
TRENATOH RAMOTUANA's profile photo
Imam Sonny's profile photo
ryanjameshatch's profile photo
Brad Ellis's profile photo
Michael Wilson's profile photo
Education
  • University of California, Berkeley
    Civil Engineering (Ph.D.), 1994 - 1998
  • University of Maryland
    Civil Engineering (M.S.), 1990 - 1992
  • Georgia Institute of Technology
    Civil Engineering (B), 1984 - 1988
Work
Occupation
Professor
Employment
  • University of Minnesota
    Professor, 1999 - present
  • University of California, Berkeley
    Researcher, 1994 - 1999
  • Maryland National Capital Parks and Planning Commission Montgomery County Planning Department (MNCPPC/MCPD)
    Transportation Planner, 1989 - 1994
  • Georgia Institute of Technology
    RA, 1988 - 1989
  • Hayes Microcomputer Products
    coop, 1985 - 1987
  • Columbia Flier
    paperboy, 1979 - 1981
Basic Information
Gender
Male
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David Levinson's +1's are the things they like, agree with, or want to recommend.
Grids are for squares: Three reasons to consider alternatives to rectili...
blog.lib.umn.edu

Just as we have cut the earth into a grid of latitude and longitude (and knowing that each "block" of 1 degree latitude by 1 degree longitud

The Journal of Transport and Land Use enters year six - The Transportati...
blog.lib.umn.edu

In the past year, the JTLU website has had almost 17000 visits. According to Google Scholar, we have an h-index of 16, 16 articles cited 16

Journal of Transport and Land Use 6(1) - The Transportationist.org
blog.lib.umn.edu

a weblog by David Levinson and the Nexus Research Group on Networks, Economics, and Urban Systems. [@trnsprttnst]. Journal of Transport and

Efficiency Comparison of Pathfinding Algorithms
urbandemographics.blogspot.com

A very cool interactive comparison of efficiency in pathfinding algorithms (via @hmason). A nice thing to play with during boaring meetings.

Club Transit - The Transportationist.org
blog.lib.umn.edu

Users should be financially incentivized to get season or annual passes (paid monthly with bank debits) and become “members” of the transit

NLX redux - The Transportationist.org
blog.lib.umn.edu

I get into a Letter to the Editors battle over in Pine City. I am responding to this about everyone's favorite intercity rail project, the N

Access Across America - The Transportationist.org
blog.lib.umn.edu

Executive Summary. Accessibility is the ease of reaching valued destinations. It can be measured across different times of day (accessibilit

xkcd: Suckville
xkcd.com

Dinosaur Comics, A Softer World, Perry Bible Fellowship, Copper, Questionable Content, Achewood, Wondermark, Indexed, Buttercup Festival. Wa

Annals of excess cost - The Transportationist.org
blog.lib.umn.edu

So we have the capital cost of a commuter rail station at $100000 per passenger. Note this is more than a car or even a simple house. The pa

Black Holes: A brief treatise on the nature of journal publications and ...
blog.lib.umn.edu

Academia should be faster than it is. This especially applies to the transportation and planning journals with which I am familiar. It often

It's Alive - The Transportationist.org
blog.lib.umn.edu

a weblog by David Levinson and the Nexus Research Group on Networks, Economics, and Urban Systems. [@trnsprttnst]. It's Alive. By David Levi

FOSS4G: FOSS Experiences in Transportation and Land Use Research - The T...
blog.lib.umn.edu

FOSS Experiences in Transportation and Land Use Research. Andrew Owen, University of Minnesota Nexus Research Group  The Nexus Research Gro

OpenScheduleTracker - The Transportationist.org
blog.lib.umn.edu

When a new bus route is added or a new rail station opens, the public discussion tends to focus on effects near the new facility: people wan

$40bn “fix it first” plan headlines Obama’s infrastructure push - The Tr...
blog.lib.umn.edu

In his State of the Union address last month, US President Barack Obama proposed investing $50bn, starting right away, on the country's tran

To Game or Not to Game: Teaching Transportation with Board Games webinar...
blog.lib.umn.edu

AHB45 Committee on Traffic Flow Theory and Characteristics will host a special webinar on March 19, 11:00 AM EDT on "To Game or Not to Game:

How shoveling and plowing snow now extends the duration of icy sidewalks...
blog.lib.umn.edu

Minnesota is getting still more ice/sleet/freezing rain/snow today. We will see piles of snow for a long time. Why will we see piles of snow

Suppose we replaced the federal income tax with inflation. - The Transpo...
blog.lib.umn.edu

I just filled out my taxes this year, and it seems an awful waste of time. And TurboTax (and the tax code for which it stands) is increasing

Selfishness and Altruism in the Distribution of Travel Time and Income. ...
blog.lib.umn.edu

Recently published: Tilahun, Nebiyou, and David Levinson (2013) Selfishness and Altruism in the Distribution of Travel Time and Income. [pre

Demand Side Solutions to Ice-Related Falls - The Transportationist.org
blog.lib.umn.edu

I talked before about things we can do to reduce the iciness of sidewalks. That is a supply side solution. We need to think about demand sid