Transportation Infrastructure

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  • Truck Driver Shortage Extends Beyond U.S. Borders

    AmeriQuest Business Services Latest News
    19 Aug 2014 | 9:00 pm
    A recent AmeriQuest blog looks at how the driver shortage is becoming a multi-national issue.
  • CNG Source Adds Office in Houston to Lead Expansion

    NGTNews.com
    29 Aug 2014 | 11:11 am
    CNG Source, a provider of compressed natural gas vehicle solutions and CNG station development services, has opened a regional office in Houston that will "serve [...]
  • Minneapolis cyclists battle for a place in traffic | City Pages

    Transportationist
    David Levinson
    31 Aug 2014 | 12:51 pm
    I am briefly quoted by Jesse Marx of City Pages in his long piece: “Minneapolis cyclists battle for a place in traffic” … Motorists tend to complain at public planning meetings that fewer car lanes means more traffic. But David Levinson, a transportation expert at the U of M, says this has not proven to be the case. Giving more space to bikes only entices more bicyclists to come onto the road — what he calls the “virtuous circle.” As usual, don’t read the comments.Filed under: Biking
  • Minimize Air Conditioning

    forcedgreen.com
    Linda
    27 Aug 2014 | 12:47 pm
    What if we could rely on “natural” air conditioning to minimize energy use? Swedish architect Anders Nyquist takes us to a school in Timrå, Sweden, that keeps cool and warm by mimicking the flow of air through anthills and termite mounds. This is an example of how designing a home or building properly can create a comfortable environment using less resources. If the termite’s can figure this out, perhaps we can too.
 
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    Transportationist

  • Minneapolis cyclists battle for a place in traffic | City Pages

    David Levinson
    31 Aug 2014 | 12:51 pm
    I am briefly quoted by Jesse Marx of City Pages in his long piece: “Minneapolis cyclists battle for a place in traffic” … Motorists tend to complain at public planning meetings that fewer car lanes means more traffic. But David Levinson, a transportation expert at the U of M, says this has not proven to be the case. Giving more space to bikes only entices more bicyclists to come onto the road — what he calls the “virtuous circle.” As usual, don’t read the comments.Filed under: Biking
  • “I Am Not Your Brother” – St. Paul Cops Allegedly Taser and Arrest Black Male for Sitting in Public Space (Video) | streets.mn

    David Levinson
    28 Aug 2014 | 12:20 pm
    Cross-posted at streets.mn Twin Cities Daily Planet brings our attention to this story: St. Paul cops allegedly taser and arrest black male for sitting in public space. City Pages provides some details: St. Paul police roughly arrest black man sitting in skyway Note, this is hard to watch. There are a number of transportation and land use and other aspects to this case which are worthy of discussion: 1. Do you have to identify yourself to the police? It depends. When driving yes – driving is a privilege. When walking (in Minnesota) no – “police can never compel you to…
  • Incremental Accessibility Benefits and Choice of Subscriptions for High-Occupancy Toll Lanes

    David Levinson
    28 Aug 2014 | 5:00 am
    Recently published: MnPASS Accounts per Household Andrew Owen, Michael Janson, and David M. Levinson (2014) Incremental Accessibility Benefits and Choice of Subscriptions for High-Occupancy Toll Lanes. Transportation Research Record: Journal of the Transportation Research Board, Vol. 2412,  pp. 93–99 This paper presents the results of an investigation into the factors contributing to toll lane subscription choice by using data from the MnPASS high-occupancy toll lane system operated by the Minnesota Department of Transportation. The paper estimates a binomial logit model that predicts,…
  • Indifference Bands for Route Switching

    David Levinson
    27 Aug 2014 | 5:00 am
    Recent working paper: Di, X, Liu, H, Zhu, S, and Levinson, D. (2014) Indifference Bands for Route Switching Frequency of Switchers and Stayers vs. Travel Time Saving Percentage Abstract: The replacement I-35W bridge in Minneapolis saw less traffic than the original bridge though it provided substantial travel time saving for many travelers. This observation cannot be explained by the classical route choice assumption that travelers always take the shortest path. Accordingly, a boundedly rational route switching model is proposed assuming that travelers will not switch to the new bridge unless…
  • Dogfooding: Why Transit Employees and Managers Should Use Transit

    David Levinson
    26 Aug 2014 | 5:00 am
    The term “dogfooding”, derived from “eating your own dog food”, is popular in the tech sector, and implies that a company should use its own products wherever it can. Thus, in general, Apple employees should have Macs on their desks rather than Windows machines, and Google employees should use Gmail. The advantages of this are several. Most importantly, bugs can be quickly identified by employees using the system on a daily basis, and feedback can be channeled quickly through the organization. Secondarily, missing features can be quickly identified similarly. Employees…
 
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    forcedgreen.com

  • Minimize Air Conditioning

    Linda
    27 Aug 2014 | 12:47 pm
    What if we could rely on “natural” air conditioning to minimize energy use? Swedish architect Anders Nyquist takes us to a school in Timrå, Sweden, that keeps cool and warm by mimicking the flow of air through anthills and termite mounds. This is an example of how designing a home or building properly can create a comfortable environment using less resources. If the termite’s can figure this out, perhaps we can too.
  • The World As We Don’t See It (fast, slow, and small)

    Linda
    22 Aug 2014 | 4:16 am
    This is fascinating! I’d love to see the IMAX film. Hope you enjoyed it.
  • Tenacity!

    Linda
    16 Aug 2014 | 7:58 am
    True Story of a group of boys who wanted to play soccer or football as they know it. When you put your mind to it, you can do anything. Witness this in action. So what is holding you back on your idea or adventure? Get up off of the couch or chair and get it rolling.
  • Planet Power

    Linda
    5 Aug 2014 | 3:48 pm
    Solar, wind, tidal and geothermal are the future. Thorium nuclear energy, which China and India are both heavily investing in. Energy consumption will skyrocket in the next century, regardless of conservation efforts. To that, nuclear is by far the most reliable and with advancements in that field such as the Liquid Fluoride Thorium Reactor (LFTR), we can produce energy with almost no waste and no risk of meltdown.
  • What a Walipini Looks Like

    Linda
    28 Jul 2014 | 2:38 pm
    A Walipini is basically an underground garden that can grow anything all year long. I liked this one as it was thought out. No bending over as the planting beds are elevated to whomever’s height. They pretty much threw in the garden sink to see how it would work out for them. What do you think? Would you place one on your property if need be? I would.
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