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Transportation

2019

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Articles 61 - 77 of 77

Full-Text Articles in Urban Studies and Planning

The Success Of An Integrated Mobility Strategy: Lessons From The Netherlands For The Pacific West Coast, Lucas Van Der Linde Feb 2019

The Success Of An Integrated Mobility Strategy: Lessons From The Netherlands For The Pacific West Coast, Lucas Van Der Linde

PSU Transportation Seminars

The Netherlands sets the standard for their multimodal connectivity. It has world's highest use of cycling and an integrated mobility network with an efficient transport system. During this seminar, Lucas will tell more about the Dutch Approach and how this could be applied to the American transportation context.

Lucas will use the case of the Bay area to show this. The Bay Area in California currently faces massive challenges in transportation because of the enormous growth of the region. With the use of a new innovative modelling tool, the Move Meter (http://www.movemeter.com/), Lucas will show the potential of …


The Portland E-Scooter Experience, Briana Orr, John Macarthur, Jennifer Dill Feb 2019

The Portland E-Scooter Experience, Briana Orr, John Macarthur, Jennifer Dill

PSU Transportation Seminars

Portland's E-Scooter Pilot made national news for its proactive and data-driven approach to exploring the role of e-scooters in our transportation system. One of the first cities to implement a comprehensive data sharing agreement with e-scooter providers, Portland now has a lot of findings to share. This Friday Seminar will dive into both the data collected and the experiences of Portlanders during the pilot. We’ll discuss what worked well, unexpected findings, and considerations for future new mobility pilots. Download the E-Scooter Findings Report (released Jan 2019) here.


Rethinking Streets For Bikes: An Evidencebased Guidebook, Marc Schlossberg, John Rowell, Roger Lindgren, Dave Amos Feb 2019

Rethinking Streets For Bikes: An Evidencebased Guidebook, Marc Schlossberg, John Rowell, Roger Lindgren, Dave Amos

TREC Final Reports

This project is a follow up to a successful previous NITC project and subsequent nationally distributed book, called “Rethinking Streets: An Evidence-Based Guide to 25 Street Transformations.” The success of the first book demonstrated a need for easy access to evidence-based transportation information that can be used by practitioners, community members, policymakers, educators, and researchers. This project produced a follow-up guidebook, but with a focus on streets redesigned to accommodate bicycle transportation in ways following current best practices. Whereas the first book purposefully focused on “average” street retrofit projects to communicate the normalcy of such projects around the country, this …


Vehicle To Infrastructure: Letting Cyclists Talk To Signals, Stephen Fickas Feb 2019

Vehicle To Infrastructure: Letting Cyclists Talk To Signals, Stephen Fickas

TREC Project Briefs

This project demonstrates how an inexpensive system (hardware and software) can add new functionality to existing signal controllers, giving bicyclists an efficient way to cross a controlled intersection. The system integrates three components: (1) a Bike Connect box that resides near the signal-controller and is connected to it, (2) an application that runs on a Bike Connect device (currently an iPhone) and requests a green light at the correct approach-distance, and (3) a cloud-based publish/subscribe (pub/sub) component that handles cellular-communication between phone app and box. One stumbling block for the project was a means to obtain reliable GPS data to …


From Knowledge To Practice: Rethinking Streets For People On Bikes, Marc Schlossberg, John Rowell, Roger Lindgren Feb 2019

From Knowledge To Practice: Rethinking Streets For People On Bikes, Marc Schlossberg, John Rowell, Roger Lindgren

TREC Project Briefs

For too long we’ve been building streets as though they have one function–to move cars quickly. The reality is that streets can to do more than just move cars. They can move people on foot, on bikes, on transit, without hurting vehicular throughput and safety. They can be more than a way to get somewhere else. Good streets are good places, too – public places where people meet, sit and socialize, conduct business, wander about, play, and more.


Addressing Changing Demographics In Environmental Justice Analysis, State Of Practice, Aaron Golub, Les Brown, Michael Grant, Nathan Mcneil, Charles Ryerson, Matt Gray, Stephanie Lonsdale, Madison Levy Feb 2019

Addressing Changing Demographics In Environmental Justice Analysis, State Of Practice, Aaron Golub, Les Brown, Michael Grant, Nathan Mcneil, Charles Ryerson, Matt Gray, Stephanie Lonsdale, Madison Levy

TREC Final Reports

This report documents how metropolitan planning organizations (MPO), State departments of transportation (DOT), and other transportation agencies are adapting Environmental Justice (EJ) analysis techniques to understand transportation impacts in communities undergoing rapid demographic change. The report also highlights national demographic trends, showing significant change in the size and location of low-income and minority households. These changes are documented in a series of State- and county-level maps demonstrating absolute and percent change in minority populations, low-income populations and limited English proficiency populations between the 1990 – 2010 decennial census periods. Based on the state of practice review, the report also highlights …


Webinar: Modeling Freeway Traffic In A Mixed Environment: Connected And Human-Driven Vehicles, Xianfeng Terry Yang Jan 2019

Webinar: Modeling Freeway Traffic In A Mixed Environment: Connected And Human-Driven Vehicles, Xianfeng Terry Yang

TREC Webinar Series

Although connected vehicles (CVs) will soon go beyond testbeds, CVs and human-driven vehicles (HVs) will co-exist over a long period. Hence, it is critical to consider the interactions between these two types of vehicles in traffic flow modeling. In this study, we aim to develop a macroscopic model to understand how CVs would impact HVs in the traffic stream. Grounded on the second-order traffic flow model, we study the relationships among flow, density, and speed by two sets of formulations for the groups of CVs and HVs, respectively. A set of friction factors, which indicate CVs' impact to HVs, are …


Ready Streets, Parkrose And Argay: Community Report, Kerry Aszklar, Jaye Cromwell, Bryan Nguyen, Joey Posada, Sabina Roan, Sophie Turnbull-Apell Jan 2019

Ready Streets, Parkrose And Argay: Community Report, Kerry Aszklar, Jaye Cromwell, Bryan Nguyen, Joey Posada, Sabina Roan, Sophie Turnbull-Apell

Master of Urban and Regional Planning Workshop Projects

How will people get around after a major earthquake? The Ready Streets project examines ways to create a strong, connected, and disaster-resilient mobility network in the Parkrose-Argay neighborhood of Portland, as well as replicable criteria for future neighborhoods. This is accomplished by examining the existing conditions of the area, working with community members to determine key destinations and priorities, and formulating recommendations to the Portland Bureau of Transportation.

The 1 page brochure for the public is available in the Additional Files below.


Pedestrians And Bicyclists Count : Developing A Statewide Multimodal Count Program, Tara M. Tolford, Maryam Izadi, Colin Ash, Julius Codjoe Jan 2019

Pedestrians And Bicyclists Count : Developing A Statewide Multimodal Count Program, Tara M. Tolford, Maryam Izadi, Colin Ash, Julius Codjoe

UNO Transportation Institute Publications

The purpose of this study was to research best practices and available methods and technologies for measuring active transportation activity, in order to provide DOTD with needed information in support of the development of an efficient, cost-effective bicycle and pedestrian count program. Measuring progress toward Complete Streets policy implementation, as well as measuring the performance of individual projects in terms of safety outcomes, requires understanding patterns of and changes in active transportation demand so as to a) evaluate safety outcomes relative to rates of exposure, b) identify appropriate, context-sensitive complete streets infrastructure interventions, and c) understanding overall statewide and location-specific …


Data From: How Will Autonomous Vehicles Change Local Government Budgeting And Finance? Case Studies Of On-Street Parking, Curb Management, And Solid Waste Collection, Benjamin Y. Clark Jan 2019

Data From: How Will Autonomous Vehicles Change Local Government Budgeting And Finance? Case Studies Of On-Street Parking, Curb Management, And Solid Waste Collection, Benjamin Y. Clark

TREC Datasets and Databases

Datafiles

Parking Occupancy Datasets: These CSV (comma separated values) datafiles include parking occupancy data from the Seattle Department of Transportation (SDOT). Each of the 11 datafiles indicates the time period that it includes, with dates ranging from January 1, 2012 to December 31, 2017. Each file contains 6 months of data on block-by-block occupancy of paid parking. The number of available spaces were calculated from this dataset in addition to the median and mean occupancy rates for each Tract. City data documentation indicates the following about the dataset: “The City of Seattle has created an on-street paid parking occupancy …


The Impact Of Transportation Network Companies On Public Transit: A Case Study At The San Francisco International Airport, Lianne Renee Sturgeon Jan 2019

The Impact Of Transportation Network Companies On Public Transit: A Case Study At The San Francisco International Airport, Lianne Renee Sturgeon

Scripps Senior Theses

The emergence and rapid growth of Transportation Network Companies (TNCs), such as Uber and Lyft, has challenged the transportation industry by offering a new mode of transportation to consumers. It is imperative that transit agencies and cities understand the effect of TNCs on public transit usage to make informed decisions. This study analyzes the impact of TNCs on Bay Area Rapid Transit (BART) ridership at the San Francisco International Airport (SFO) to measure the effect of TNCs on public transit. Using a fixed effects model to analyze hourly BART and TNC ridership data from 2011 to 2018, these findings suggest …


Are Wide Streets Negligent?, Michael Lewyn Jan 2019

Are Wide Streets Negligent?, Michael Lewyn

Scholarly Works

American commercial streets are typically designed to encourage rapid automobile traffic, thus making streets unsafe for pedestrians. In the 2016 case of Turturro v. City of New York, the New York Court of Appeals upheld a jury verdict against a city for failing to slow down such traffic. This article describes Turturro, but shows how limited its holding was: the Turturro court emphasized a city's failure to study traffic calming, so if a city studies its options adequately it can avoid liability even if its policies are unsuccessful.


Cathedral Mobility: A Mobility Strategy For Cathedral Park Neighborhood 2019, Chad Vinson Tucker, Ian Clancy, Erik Memmott Jan 2019

Cathedral Mobility: A Mobility Strategy For Cathedral Park Neighborhood 2019, Chad Vinson Tucker, Ian Clancy, Erik Memmott

Master of Urban and Regional Planning Workshop Projects

The Cathedral Park Neighborhood is a wonderful area to live with beautiful parks and a vibrant commercial center. Unfortunately, the current transportation infrastructure makes it difficult to access everything this neighborhood has to offer without a car. A few of the transportation issues with which current residents must contend are:

  • The neighborhood has no bike lanes or marked crosswalks.
  • Several streets dead-end because of steep terrain issues.
  • The steepness also makes it difficult or impossible for many people, including older persons or people with disabilities, to access the river and Cathedral Park.
  • Many streets are unpaved and uncomfortable to use. …


Transit Access Equity In Richmond, Va, Rachel Jordan Jan 2019

Transit Access Equity In Richmond, Va, Rachel Jordan

Theses and Dissertations

The purpose of this thesis is to analyze the extent of public transit access equity issues in Richmond, VA. The City of Richmond has an established public transportation network system, and the thesis explores the level of access for urban residents to use existing public transportation services. Technologies and programs have begun to emerge across the United States to help solve transit accessibility challenges. The thesis assesses the level of transit access equity that exists in Richmond and introduces technologies and services that could help improve accessibility and equity. The thesis uses a mixed methods approach that will consist of …


Social Equity In Transit Service: Toward Social And Environmental Justice In Transportation, Torrey Lyons Jan 2019

Social Equity In Transit Service: Toward Social And Environmental Justice In Transportation, Torrey Lyons

TREC Theses and Dissertations

This dissertation explores social equity as it applies to public transportation. Transit has long been considered a tool to alleviate inequity by limiting the effects of spatial mismatch and providing access to opportunity to disadvantaged populations. This theory, however, has not been adequately proven empirically. The first chapter of this dissertation tests the theory that spatial mismatch is moderated by quality transit service. We do this by taking a cross section of the largest urban areas in the United States and applying structural equation modeling to identify relationships between exogenous and endogenous factors. We find that higher quality transit service …


Are Wide Streets Negligent?, Michael Lewyn Dec 2018

Are Wide Streets Negligent?, Michael Lewyn

Michael E Lewyn

American commercial streets are typically designed to encourage rapid automobile traffic, thus making streets unsafe for pedestrians. In the 2016 case of Turturro v. City of New York, the New York Court of Appeals upheld a jury verdict against a city for failing to slow down such traffic. This article describes Turturro, but shows how limited its holding was: the Turturro court emphasized a city's failure to study traffic calming, so if a city studies its options adequately it can avoid liability even if its policies are unsuccessful.


Planetizen Blog Posts- First Half Of 2019, Michael Lewyn Dec 2018

Planetizen Blog Posts- First Half Of 2019, Michael Lewyn

Michael E Lewyn

Op-ed length articles on various land use-related issues.