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Articles 1 - 5 of 5
Full-Text Articles in Civil Engineering
A Multi-Objective Decision-Making Framework For Transportation Investments, Mashrur Chowdhury, Pulin Tan
A Multi-Objective Decision-Making Framework For Transportation Investments, Mashrur Chowdhury, Pulin Tan
Mashrur Chowdhury
This paper presents a framework based on multi-objective optimization that can be used to generate and analyze the most desirable transportation investment options based on their objectives and constraints. The framework, which is based on the surrogate worth trade-off analysis, could be applied to both discrete or continuous decision-problem scenarios. In a discrete problem, a predefined set of alternatives is available, whereas continuous problems are not characterized by a predefined set of alternatives. This framework was applied with the data generated for a Capital Beltway Corridor investment study. The multi-objective decision-making framework was found to be adaptable to this typical …
Transit System Evaluation Process: From Planning To Realization, K Bartman, Jennifer Ogle, Mashrur Chowdhury, Anne Dunning
Transit System Evaluation Process: From Planning To Realization, K Bartman, Jennifer Ogle, Mashrur Chowdhury, Anne Dunning
Mashrur Chowdhury
Many frameworks exist to help transit agencies plan, operate, and monitor the performance of transit in rural and urban communities. No framework integrates these three critical business practices into one coherent and flexible framework useful to rural and small-sized cities. The primary objective of this research was to integrate planning, operations, and performance measurement activities into a framework designed to evaluate transit in the context of overall mobility. By combining planning, evaluation, and performance monitoring processes, a succinct framework useful to transit agencies and planners was created. In addition to city entities, colleges and universities operating or contracting transit systems …
Attack Of The Drones, Wayne Sarasua, Ryan Eckenrode, James Mattox, Jennifer Ogle, Mashrur Chowdhury
Attack Of The Drones, Wayne Sarasua, Ryan Eckenrode, James Mattox, Jennifer Ogle, Mashrur Chowdhury
Mashrur Chowdhury
South Carolina is just completing a significant roadwork program where bonds have been leveraged so that 27 years of maintenance and construction activities could be completed in just seven years. During this period, the number of South Carolina interstate work-zone-related crashes and fatalities has been rising, with the state accounting for nearly 10% of the nation’s work-zone fatalities. The number of crashes in work zones in South Carolina nearly tripled in five years, increasing from 677 in 1998 to 2,601 in 2003. In all of these years, a leading cause of vehicle crashes is driving too fast for conditions. Because …
Public Perceptions Of The Midwest’S Pavements: Policies And Thresholds, David Kuemmel, Richard Robinson, Ronald Sonntag, Robert Griffin, James K. Giese
Public Perceptions Of The Midwest’S Pavements: Policies And Thresholds, David Kuemmel, Richard Robinson, Ronald Sonntag, Robert Griffin, James K. Giese
Robert Griffin
A 5-year, pooled fund study with the Iowa, Minnesota, and Wisconsin departments of transportation assessed the public's perceptions of pavement improvement strategies and developed thresholds of satisfaction using the departments' physical indices, such as pavement ride and condition on rural, two-lane highways in the states. Approximately 3,600 drivers in the three states were involved in the three phases of the project, which included 18 focus groups, 400 statewide surveys in each state, and 2,300 targeted surveys across the three states. A multidisciplinary team from Marquette University and a mass media survey lab conducted the studies. A summary of focus group …
Linking Data To Transportation Research, David Scherer, Courtney Matthews, Amit Varma, Lisa Zilinski
Linking Data To Transportation Research, David Scherer, Courtney Matthews, Amit Varma, Lisa Zilinski
Lisa Zilinski
This presentation will discuss ongoing developments in a collaboration between the Purdue University Libraries and the Joint Transportation Research Program (JTRP). We will present a case study where a comprehensive work flow was developed that links technical report publication to cited data sets. The Libraries, JTRP, and researchers have leveraged this new model to increase research impact, reduce research redundancy, and incorporate data management into the research life cycle.