Entering the Fediverse
Transportist
by David Levinson
4M ago
This Blog is now Fediverse enabled. (with the awkward address @transportist.org@transportist.org) Still, most of my new writing will be over on Substack … So, if you don’t already, follow me over there, until this blog is thawed and no longer frozen in time. You can find the substack RSS feed at https://transportist.substack.com/feed ..read more
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Substack
Transportist
by David Levinson
1y ago
Most of my new writing will be over on Substack … So, if you don’t already, follow me over there, as this blog becomes static, frozen in time. You can find the new RSS feed at https://transportist.substack.com/feed ..read more
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#NearerInTime
Transportist
by David Levinson
1y ago
A collection from my #NearerInTime hashtag on #TwitterRIP. The ideas behind #NearerInTime are several: You are old if you remember these things. These things, which are often riffs or remakes of other things which were then historical, are nearer to the things they remade than to today. So it was history then, and really very very history now. These are not intuitive. Time perception is weird, for instance the time from Original to Remake seems long, but from Remake to Now short. Television The debut of I Love Lucy (1951) is #NearerInTime  to the first term of the Presidency of Grover ..read more
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A bifurcation of the peak: New patterns of traffic peaking during the COVID-19 era
Transportist
by David Levinson
1y ago
Recently published: Gao, Yang and Levinson, D. (2022) A bifurcation of the peak: New patterns of traffic peaking during the COVID-19 era. Transportation. [doi] This paper analyzes the emergence of two well-defined peaks during the morning peak period in the traffic flow diurnal curve. It selects six California cities as research targets, and uses California employment and household travel survey data to explain how and why this phenomenon has risen during the pandemic. The final result explains that the double-humped phenomenon results from the change in the composition of commuters during t ..read more
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Prioritizing Active Transport Network Investment using Locational Accessibility
Transportist
by David Levinson
1y ago
Recently published: Lahoorpoor, B., Rayaprolu, H., Wu, H., and Levinson, D. (2022) Prioritizing Active Transport Network Investment using Locational Accessibility. TeMA – Journal of Land Use, Mobility and Environment. 15(2), 179-192. [doi] This research explores prioritizing network investment to improve walking and biking access in a suburban area with a poorly connected street network. This study’s methods provide a systematic approach to design and prioritize the potential links to improve active travel in the suburban environment. An access-oriented ranking system is proposed to pri ..read more
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EVs in Australia
Transportist
by David Levinson
1y ago
The Daily Mail posts an article with this needlessly antagonistic headline: How Australian taxpayers will need to spend BILLIONS to transition from petrol and diesel to electric cars (which start at $47k for a VERY basic model) – as the ACT pushes ahead with a BAN on combustion engines by 2035 . Contra the headline, the article itself is not bad. My quotes: Professor Levinson estimated the current infrastructure should be able to handle a market share above 20 per cent, given most cars will be charged at home. ‘This is not going to be a sudden crisis,’ he said.  … Professor David Levinso ..read more
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Equilibrium or Imbalance? Rail Transit and Land Use Mix in Station Areas
Transportist
by David Levinson
1y ago
Recently published: Wang, Yuning, Lu, D, and Levinson, D. (2022) Equilibrium or Imbalance? Rail Transit and Land Use Mix in Station Areas. Transportation. [doi] Abstract Although it is widely reported that rail transit has the potential to encourage higher density development, it remains unclear whether rail transit leads to more mixed urban development across station areas. This article provides rare quantitative analysis of changes in land use mix around the rail transit system in Tianjin, China through an investigation into the spatial effects of a rail transit line which cuts acros ..read more
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Dr. Bahman Lahoorpoor
Transportist
by David Levinson
1y ago
Bahman Lahoorpoor Congratulations to Dr. Bahman Lahoorpoor for “satisfying the requirements for the award of the degree of Doctor of Philosophy at the University of Sydney.” Thesis Title:  “Terraces, Towers, Trams, and Trains : Examining the Growth of Sydney using Empirical Models and Agent-based Simulation“ Lead Supervisor: Professor David Levinson. Abstract: Transport networks and land use are inter-dependent. This joint co-development process of infrastructure and building location is often theorised to be a positive feedback cycle: transport infrastructure produces accessibi ..read more
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Transportist: August 2022
Transportist
by David Levinson
1y ago
August 1 is of course best known in the transport community as TRB submission day. I hope everyone got their Transportation Research Board Annual Meeting papers out the door (virtually) and uploaded to the online system with a minimum of fuss. My plan, viruses and governments willing, is to attend in January for the first time since 2020. Maybe I will see some of the 3000 of you there. Posts Sydney FAST 2030: A Proposal for Faster Accessible Surface Transport (FAST). [I was more engaged drawing this than just about anything I’ve done recently, I became a transport planner because I thought w ..read more
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Sydney FAST 2030: A Proposal for Faster Accessible Surface Transport (FAST).
Transportist
by David Levinson
1y ago
Sydney FAST 2030: A Proposal for Faster Accessible Surface Transport (FAST). Compared to comparably-sized cities in North America, Sydney does very well on Public Transport (Transit), with a pre-Covid 26% transit commute share. Compared to cities in Europe or Asia, it does poorly, indicating significant room for improvement.  Much of that difference has to do with wealth and space. Despite the complaints,  Sydney is rich (money doesn’t grow on trees, but it does grow in rocks), so most families have cars. Sydney is also far less concentrated than cities in Europe or Asia, so distance ..read more
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