Publications
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- "Public transit"
Public transit refers to publicly owned fleets of buses, trains, subways, etc. for public use.
Paper
Published: 2022
Journal/Book: Transportation Research Record: Journal of the Transportation Research Board
Summary:
Transit transfers are a necessary inconvenience to riders. They support strong hierarchical networks by connecting various local, regional, and express lines through a variety of modes. This is true in Seattle, where many lines were redrawn to feed into the Link Light Rail network. Previous transfer studies, using surveys, found that perceived safety, distance, and personal health were significant predictors of transfers.
Transit transfers are a necessary inconvenience to riders. They support strong hierarchical networks by connecting various local, regional, and express lines through a variety of modes. This is true in Seattle, where many lines were redrawn to feed into the Link Light Rail network. Previous transfer studies, using surveys, found that perceived safety, distance, and personal health were significant predictors of transfers.
Paper
Published: 2022
Journal/Book: Public Transport
Summary:
This paper presents a method for extracting transit performance metrics from a General Transit Feed Specification’s Real-Time (GTFS-RT) component and aggregating them to roadway segments. A framework is then used to analyze this data in terms of consistent, predictable delays (systematic delays) and random variation on a segment-by-segment basis (stochastic delays). All methods and datasets used are generalizable to transit systems which report vehicle locations in terms of GTFS-RT parameters.
This paper presents a method for extracting transit performance metrics from a General Transit Feed Specification’s Real-Time (GTFS-RT) component and aggregating them to roadway segments. A framework is then used to analyze this data in terms of consistent, predictable delays (systematic delays) and random variation on a segment-by-segment basis (stochastic delays). All methods and datasets used are generalizable to transit systems which report vehicle locations in terms of GTFS-RT parameters.
Article
Published: 2018
Journal/Book: The Conversation
Summary:
Online shopping is a big convenience for many Americans, but porch piracy can ruin the experience. For example, Mikaela Gilbert lived in a row house in West Philadelphia while she studied systems engineering at the University of Pennsylvania. By her junior year, Gilbert had lost enough packages to thieves that she devised an elaborate three-pronged security strategy.
Online shopping is a big convenience for many Americans, but porch piracy can ruin the experience. For example, Mikaela Gilbert lived in a row house in West Philadelphia while she studied systems engineering at the University of Pennsylvania. By her junior year, Gilbert had lost enough packages to thieves that she devised an elaborate three-pronged security strategy.
Report
Published: 2018
Summary:
The rapid expansion of ecommerce has flooded American cities with delivery trucks, just as those cities are experiencing booming population growth. Retailers need a more efficient, reliable, and cost-effective way to deliver goods in increasingly crowded urban environments. For their part, cities like Seattle want to minimize traffic congestion, both sustain quality of life for residents and ensure a smooth flow of goods and services.
The rapid expansion of ecommerce has flooded American cities with delivery trucks, just as those cities are experiencing booming population growth. Retailers need a more efficient, reliable, and cost-effective way to deliver goods in increasingly crowded urban environments. For their part, cities like Seattle want to minimize traffic congestion, both sustain quality of life for residents and ensure a smooth flow of goods and services.
Keywords:
Urban planning and city planningUrban freight distributionCommon carrier parcel lockersPublic transitTransit-oriented development (TOD)
Urban planning and city planningUrban freight distributionCommon carrier parcel lockersPublic transitTransit-oriented development (TOD)
Student Thesis and Dissertations
Published: 2011
Summary:
Public transportation could be an important component of a solution to providing mobility while reducing traffic congestion and the environmental impact of transportation. However, from a customer perspective, a mobility choice is only a choice if it is fast, comfortable and reliable. This research looks at the reliability of public transportation and the use of easy-to-access information to combat the inherent unreliability and other barriers to increased use that exist in the system.
Public transportation could be an important component of a solution to providing mobility while reducing traffic congestion and the environmental impact of transportation. However, from a customer perspective, a mobility choice is only a choice if it is fast, comfortable and reliable. This research looks at the reliability of public transportation and the use of easy-to-access information to combat the inherent unreliability and other barriers to increased use that exist in the system.