The Transportationist
a weblog by David Levinson and the Nexus Research Group on Networks, Economics, and Urban Systems
Archives
All Streets
Voters seem to reject gas tax holiday pander
Can a bridge be rebuilt too quickly?
Third space play spaces
Citizen's League Mind Opener
Pander bears
New Town Center for Columbia
Gas May Finally Cost Too Much
Gin, Television, and Social Surplus
Another Minnesota Bridge falls silent
Honda Crime Alerting GPS: Honda GPS Warns Drivers of High Crime Zones"
Does alcohol lubricate Putnam's social capital?
Government to release proposed fuel economy rules
Clinton Joins McCain on Gas-Tax Holiday; Obama Opposes
Tom Sorel new MnDOT Commissioner
The War of Don Young's Ear(mark)
Patenting Roads
Why are roads favoured by the right and trains by socialists?
Impatient Subway Riders Revolt in Chicago
McCain Proposes Break in Gas Taxes
Stillwater Bridge stuck again
Housing + Transportation Affordability
NWA DAL
Private Toll Roads
Metcalfe's Law, Accessibility, and Zipf
The danger of rail
Another player in traffic information
Do Trash Cans Induce Garbage?
Construction Season
IKEA Train
CO2 Emissions Map
Pawlenty vetoes Central Corridor
Confidential Records Program Plates = No Tolls
Shared Propulsion
Shared Propulsion
Oberstar on campus
Albany kills NYC Congestion Charge
Transport Manifestos
What Will Life Be Like in the Year 2008
Zero-Carbon City
Transportation apartheid
Obama endorses congestion pricing
Houston, The Next Great World City?
Heathrow Terminal 5
Multi-university campuses
Accessibility, Mobility and Density
Weighted Density
Calvin and Hobbes: Dad Explains Science
The Really Revolutionary Engine (Thomas from a revolutionary perspective)
TCP Congestion
Speed limits for mode shifts
Too much compliance
Lane Reversal: Diverging Diamond Interchange
Congestion Pricing in NYC
Wilde Lake Village Green RIP
Random Roads
Book Position
Transportation as recreation
DeSoto Bridge in St. Cloud closed
Incomprehensible Intersections
Transit Ridership and Observation Bias
The Man Who Loved Roads
Filling Up
Letting the Market Drive Transportation
Internet capacity utilization: road hogs and traffic jams
The Terrorist Engineering Connection
Automating the buggy whip-robot tank fueling devices
Experiment recreates field observation
Mahmoud Ahmadinejad - Transportation Engineer
Central Corridor plan finalized
Minnesota raises gas tax
Obama's Transportation Plan posted
Air-powered Car Asymptotically Approaches Reality
Legislative Auditor Report on MnDOT
Open Street Map
Minnesotans for Global Warming
McCain and Transportation Policy
Obama's National Infrastructure Reinvestment Bank
MidMorning Wednesday
Using GPS Mobile Phones as Traffic Sensors
BART moves into the 20th century, slowly
Network resilience (or lack therof) Internet Style
3D London Tube Map
Legible London
A camera to catch HOV lane cheaters
Do it yourself traffic engineering
Obama
Untangling Transportation
GM demoes at CES
Aerotropolis: Skyscraper Airport
Traffic jam as an indicator of success
GPS is imperfect
Drivers on Cells Clogging Traffic
Planning for Place and Plexus: Metropolitan Land Use and Transport
Magic Highway USA
Central Corridor on Washington Avenue
No Left Turns
Management of Subways to Be Split
A substitute for GPS
Hiawatha takes another life.
Space Up!, the in-vehicle interface of the future?
Tunes from the road
Just-in-time consumption: Does the `pint of milk test' hold water?
Silicon Valley and the EV
Flight patterns
Google at the gas pump
Causes of Death Are Linked to a Person’s Weight
Mean Automakers Dash Nation's Hope For Flying Cars
Cars for cities?
Time
DARPA Urban Challenge Results
Speeding and the monopoly of force
More on DARPA Urban Challenge
Surface Navigation Help for Subway Riders
Who will kill Project Driveway?
Houston's Greatest Light Railway Hits
Traveler information from Probes
No groundbreaking for bridge
Lower speed limits on residential streets in UK?
Centers are edges
Shipping Container Architecture
Car sharing and congestion pricing with compensation
Top 100 Academic Blogs Every Professional Investor Should Read
Oberstar Forum: Cost of Frugality
The New I-35W Bridge
MnDOT says releasing bridge inspection records could be a threat to national security
Clever Plants 'Chat' Over Their Own Network
Counting you in your car
Can you say megaproject ...
L.A. doesn't save data on traffic growth
Gravity-challenged
Germany to build maglev railway
'After bridge fall, engineers worry about undue alarm"
Zipcar Take 3
Congestion worsens, here and around the nation
Political Economy at Any Speed: What Determines Traffic Citations?
Always mind the bollards
Garrison: Increasing the Flexibility of Legacy Systems
Canada's Crumbling Infrastructure
"I-35W bridge collapse could produce U of M traffic headaches"
I-35W bridge collapse - What happened on August 1st and after
Zipcar
Nexus Group Open Research Positions
China Bans Reporting on Bridge Collapse
I 35W Bridge repair
Is the 80:20 rule recursive?
Antecedents of Urban Sprawl
Chinese bridge collapse kills 22
I-35 W Bridge Collapse, some initial thoughts
Flying cars coming soon to ten feet above your head
The Spontaneous City
Point trading
The Elements of Vibe
elevators, shafts, and rail privitisation
Does creativity wither with age?
Vehicle-to-Vehicle
Goofballs and Trainwrecks: This week in London Transport
The next big thing in Transportation
Getting more mileage from loop detectors
How late are planes?
Electronic toll collection and toll rates
Driving from London to Mongolia
hina to eradicate queue-jumping
NYT biz journo: I was held hostage at "Thomas" toy factory in China
If there were a death penalty for double parkers, there would be a lot fewer double parkers ...
Carpools boon or boondoggle
Butterflies and Beverages
Tickets before or after boarding?
Cutting corners
Nightmare at Reagan National Airport: The TSA Strikes Back
Portrait of the Modern Terrorist as an Idiot
Nightmare at Reagan National Airport: A Security Story to End all Security Stories
A success we should build on
Simulating Skyways
Bloomberg does the hard sell
KOSHER Transportation Funding
Journal of Transport and Land Use.
Connectivity and Class
New York Gets Decent Street Furniture
The transportation of police
Didn't I see this on the Italian Job
Transportation among our ant overlords
Knock-on effects
FasTracks are Expensive Tracks
The Illusion of Security 2
MS Word is hereby banished
An illusion of certainty
The Illusion of Security
Transit mode share and the four-footed
New Towns are back
McCain's strategic error
Email bankruptcy?
The Truth Behind 4/29
MacArthur Maze Meltdown
Helpful Distortion
Some good news out of California
Power companies and eminent domain
U.S. Employees Selling Transit Passes Illegally, Investigators Say
Manhattan Congestion Charging Scheme
History of the Future
Russia Plans World's Longest Tunnel, a Link to Alaska
History of MN Gas Tax
Paying for heavier trucks
Twins ballpark will have Minnesota flavor
DARPA Grand Challenge
Are sunk costs sunk, is salvage value salvageable? A paradox in engineering economics analysis
Mass Transport and Mainframes
Network Neutrality: Lessons from Transportation
Thomas, a thinly veiled portrait of rail in England
Socialised Medicine
Sidewalk rage
Missing your forecast
Ethanol-blend auto emissions no greener than gasoline
From Today's The Guardian
London's only 24-hour pharmacy
Topology of Urban Transportation Networks
Mapping Accessibility Over Time
Too Expensive to Meter
Google transit
Ted Stevens' Polar Express
The Co-Evolution of London's Land Use and Transport
Could you walk it quicker?
Rod Pricing
Oberstar speaks
The Prime Minister Responds
Ghost town
Road Pricing Petition Redux
Once More into the Aisles
Road rage: Someone is unhappy with traffic enforcement
Chelsea Tractors must pay to park in Richmond
Its *global* warming, not *local* warming
Britain doesn't have an Americans with Disabilities Act
The Trouble with TRB
Prison overcrowding is just a queueing problem
The Oyster Gotcha
Bad news for the casual carpooling program
The elite score more privelage from the state
Vandalism or terrorism
Cash fare in London rises
We are dying less
Is this what Hans Monderman has in mind
Word on the Street about Streetcars
New Nexus website
Advisor to "nearly every president on transportation since Truman"
See attendant
Bus route centennial and why buses in London are red
The Weather
Road Pricing Petition
Security is the enemy of efficiency, or attention is a scarce resource
Touching In
VMS: Variably-reliable Misinformation Signs
With rail, you know where you’re going, ... NOT
On "A Streetcar Named Development", Streetcars, Buses, and Signs
IT Conversations
The World is Your Oyster
Review of The Transportation Experience
Transport without Control
Review of The Transportation Experience
On air on KPCC
A Tax on Gore: Truth and Carbon Taxes,
Maglev crash, growing pains or fatal blow?
Transit in Phoenix
Clash of Speeds
In praise of landmarks
Why People Don't Use Mass Transit
A roundabout way to traffic safety
Nobel Peace Prize Winner turns attention to road safety
Is anyone running this airline?
Access to Destinations Report Released
What has happened recently in transportation
Article on wayfinding
Markets Attack!
Where should bus stops go ...
Los Angeles Traffic
Airport Parking ... Cell Phone Lots
An Inconvenient Truth
City officials want "balance"
The Big Dig is Falling Down
California's high speed rail just won't die
BART ridership to airport fails to take off
Correlation is not causation
Female labor force participation down
Bye bye PRT?
Met Council endorse University Corridor LRT
Interstate is 50
Thought experiment: Financing public education
Hell hath no fury like a schemer scammed
Dispersing jobs: good or bad?
Fuel efficiency: Prius SOV vs. SUV HOV
Visual Representation of "Lessons From The Transportation Experience"
An innovation too far?
Wincopin Street
Money for inspectors, not teachers
Good gates?
Road Trip
Pirate Party of the United States
High Speed Rail Fact Sheet
The Box
Airport Security
States I have visted
Enclosing the Commons
Selling your place in queue
Traffic control
The Thick Of It
A Dream of Fields
Conferences and Laptops
NetSci 2006
Fast bus, slow train?
DC Commuter Tax
Traffic control for molecules
Having fun with roadside alert signs
Network Neutrality and Quality of Service
What would someone less simplistic say
Randall Crane on Accessibility
"Data" is not the plural of anecdote
The value of smooth roads
Highways in Africa
Gas taxes are again in fashion
Researching Irvine
War for oil vs. war against oil
From the "The price of gas is high, let's make it higher" deparment
Summary of my talk at Meshforum
The Urban Interface, some initial musings
Visual Complexity
New Hampshire Public Radio
Value of time vs. Cost of gas
A View Of Urban Sprawl From Outer Space
The world loves a train ride
Computing the commute
Covering the Economy: Gasoline Prices
Transforming Education: Engaging Students with Technology
MeshForum
Deconstructing Busytown: Part II
Deconstructing Busytown
What is a transportationist?
Welcome to The Transportationist
Access to Destinations ... the Book
Metropolitan Travel Survey Archive
The Next America Replanned
The Transportation Experience
Irony
David Levinson wins national award
Book Review of Financing Transportation Networks
Questions in Transportation: Part One
Manitoba or Manhattan
Assessing the Benefits and Costs of Intelligent Transportation Systems
Technology Enhanced Learning Grant
Understanding highway network growth
Rational Locator
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Recent Posts
All Streets
Voters seem to reject gas tax holiday pander
Can a bridge be rebuilt too quickly?
Third space play spaces
Citizen's League Mind Opener
Pander bears
New Town Center for Columbia
Gas May Finally Cost Too Much
Gin, Television, and Social Surplus
Another Minnesota Bridge falls silent
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