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Articles 61 - 90 of 204
Full-Text Articles in Social and Behavioral Sciences
Spartan Daily, August 30, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, August 30, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2022
Volume 159, Issue 4
Spartan Daily, August 25, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, August 25, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2022
Volume 159, Issue 3
Spartan Daily, August 24, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, August 24, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2022
Volume 159, Issue 2
Spartan Daily, August 22, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, August 22, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2022
Volume 159, Issue 1
Pathway To Promote Diversity Within Public Transit Workforce, Mehri Mohebbi, Sumita Raghuram, Ahoura Zandiatashbar
Pathway To Promote Diversity Within Public Transit Workforce, Mehri Mohebbi, Sumita Raghuram, Ahoura Zandiatashbar
Mineta Transportation Institute
There are many aspects of the transportation industry that can be focused on, but the lack of resiliency is one of the most urgent. Enhancing resiliency and creative problem-solving is essential to the industry’s growth and survival. But it cannot happen without building a more diverse workforce. Women still make up a small fraction of transportation workers, and African American and Hispanic employees are even less represented. These disparities are increasingly pronounced in many senior positions, particularly in STEM fields. Meanwhile, the public transportation industry is experiencing a severe and worsening workforce shortage and many agencies have reported substantial difficulty …
“Tele-Commuting” During The Covid-19 Pandemic And Beyond: Unveiling State-Wide Patterns And Trends Of Telecommuting In Relation To Transportation, Employment, Land Use, And Emissions In Calif, Tianjun Lu, Jian-Yu Ke, Fynnwin Prager, Jose N. Martinez
“Tele-Commuting” During The Covid-19 Pandemic And Beyond: Unveiling State-Wide Patterns And Trends Of Telecommuting In Relation To Transportation, Employment, Land Use, And Emissions In Calif, Tianjun Lu, Jian-Yu Ke, Fynnwin Prager, Jose N. Martinez
Mineta Transportation Institute
Telecommuting, the practice of working remotely at home, increased significantly (25% to 35%) early in the COVID-19 pandemic. This shift represented a major societal change that reshaped the family, work, and social lives of many Californians. These changes also raise important questions about what factors influenced telecommuting before, during, and after COVID-19, and to what extent changes in telecommuting have influenced transportation patterns across commute modes, employment, land use, and environment. The research team conducted state-level telecommuting surveys using a crowd-sourced platform (i.e., Amazon Mechanical Turk) to obtain valid samples across California (n=1,985) and conducted state-level interviews among stakeholders (n=28) …
Comparing Substance Use Outcomes By Sexual Identity Among Women: Differences Using Propensity Score Methods, Katherine J. Karriker-Jaffe, Laurie Drabble, Libo Li, Cat Munroe, Amy A. Mericle, Karen F. Trocki, Tonda L. Hughes
Comparing Substance Use Outcomes By Sexual Identity Among Women: Differences Using Propensity Score Methods, Katherine J. Karriker-Jaffe, Laurie Drabble, Libo Li, Cat Munroe, Amy A. Mericle, Karen F. Trocki, Tonda L. Hughes
Faculty Research, Scholarly, and Creative Activity
Background: Differences in alcohol, tobacco, and other drug (ATOD) use by sexual identity vary across samples of women recruited using different sampling methods. We used propensity score (PS) weighting methods to address two methodological questions: (1) Do disparities between sexual minority women (SMW) and heterosexual women persist when differences in risk and protective factors are similarly distributed between groups, and (2) Does accounting for SMW-specific resiliency factors impact differences between non-probability samples of SMW? Methods: Four samples included SMW from a longitudinal study with a nonprobability sample (n = 373), a national general population panel sample (n = 373), …
Spartan Daily, July 15, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, July 15, 2022, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2022
No abstract provided.
Connected Simulation For Work Zone Safety Application, Vahid Balali
Connected Simulation For Work Zone Safety Application, Vahid Balali
Mineta Transportation Institute
Every year, over 60,000 work zone crashes are reported in the United States (FHWA 2016). Such work zone crashes have resulted in over 4,400 fatal and 200,000 non-fatal injuries in the last 5 years (FHWA 2016, BLS 2014). Apart from the physical and emotional trauma, the annual cost of these injuries exceeds $4 million-representing significant wasted resources. To improve work zone safety, this research developed a system architecture for unveiling high-risk behavioral patterns among highway workers, equipment operators, and drivers within dynamic highway work zones. This research implemented the use of a connected virtual environment, which is an immersive hyper-realistic …
Developing A Feasible Business Model For Expanding The Ev Market To Lower Income Californians, Samer Sarofim, Aly Tawfik
Developing A Feasible Business Model For Expanding The Ev Market To Lower Income Californians, Samer Sarofim, Aly Tawfik
Mineta Transportation Institute
Electric vehicles (EVs) are a valuable tool in addressing the climate and energy challenges placed on our transportation systems. However, while national and international market shares of EVs have been rising with exponential rates, access to EVs of low-income populations has been significantly slower. This research developed a business model for expanding the EV market to low-income Californians. The team developed the model from qualitative data from various stakeholders, including Electric and Solar Companies, Professional and Community-Based Organizations, State Agencies, research institutions, and more, which enabled insights regarding various barriers that hinder the adoption of EVs. The team also used …
Creating Safer Communities For The Use Of Active Transportation Modes In California: The Development Of Effective Communication Message Strategy For Vulnerable Road Users, Samer Sarofim, Aly Tawfik
Creating Safer Communities For The Use Of Active Transportation Modes In California: The Development Of Effective Communication Message Strategy For Vulnerable Road Users, Samer Sarofim, Aly Tawfik
Mineta Transportation Institute
Despite increased efforts to improve safety in recent years (e.g., the Focus Cities Program in California), California continues to have a high rate of pedestrian and bicyclist fatalities. Currently, the state currently lacks a cohesive messaging strategy to improve behaviors related to pedestrian and cyclist traffic safety practices. To fulfill this need, this research showcases the differential effect of message framing on attitudes and intended behaviors related to pedestrian and cyclists traffic safety practices. This project investigated factors & risky behaviors contributing to accidents involving vulnerable road users, preventive measures to decrease accidents involving vulnerable road users, and more. The …
Biological Hydrogen Gas Production From Food Waste As A Sustainable Fuel For Future Transportation, Pitiporn Asvapathanagul, Leanne Deocampo, Nicholas Banuelos
Biological Hydrogen Gas Production From Food Waste As A Sustainable Fuel For Future Transportation, Pitiporn Asvapathanagul, Leanne Deocampo, Nicholas Banuelos
Mineta Transportation Institute
In the global search for the right alternative energy sources for a more sustainable future, hydrogen production has stood out as a strong contender. Hydrogen gas (H2) is well-known as one of the cleanest and most sustainable energy sources, one that mainly yields only water vapor as a byproduct. Additionally, H2 generates triple the amount of energy compared to hydrocarbon fuels. H2 can be synthesized from several technologies, but currently only 1% of H2 production is generated from biomass. Biological H2 production generated from anaerobic digestion is a fraction of the 1%. This study aims to enhance biological H2 production …
Analyzing The Use And Impacts Of Oakland Slow Streets And Potential Scalability Beyond Covid-19, Gordon Douglas, David Moore
Analyzing The Use And Impacts Of Oakland Slow Streets And Potential Scalability Beyond Covid-19, Gordon Douglas, David Moore
Mineta Transportation Institute
This report presents the results of a mixed-methods study of the 2020-2022 Oakland Slow Streets program. An official response to the Covid-19 pandemic, the program used signs and temporary barricades to limit thru-traffic on 21 miles of city streets to create more and safer space for walking, cycling, and outdoor recreation. Researchers collected data throughout the summer of 2021 on seven designated slow streets plus one cross street and one control street for each – a total of 21 street segments representing conditions in seven different neighborhoods across Oakland. Data collection comprised in-person passerby counts, observations and photographs of local …
Design Of An Evaluation Plan For Senate Bill 1046, Maria Chierichetti, Armin Moghadam, Fatemeh Davoudi
Design Of An Evaluation Plan For Senate Bill 1046, Maria Chierichetti, Armin Moghadam, Fatemeh Davoudi
Mineta Transportation Institute
In an effort to understand and decrease alcohol-impaired driving as a primary collision factor In California, the research team designed an evaluation plan for California Senate Bill 1046 and its focus on ignition interlock devices as a sentence for Driving Under Influence offense. This plan will evaluate whether Senate Bill 1046 affected the Driving Under the Influence crash frequency and severity, and whether sociodemographic and geographic factors influence its effectiveness. This report lays the foundation for the evaluation that will be conducted in 2024. The research team conducted a meta-analysis of the last 12 years of literature and research on …
Manual For Asphalt Pavement Repair And Resurfacing Preparation, Dingxin Cheng, Gary Hicks, Roger D. Smith
Manual For Asphalt Pavement Repair And Resurfacing Preparation, Dingxin Cheng, Gary Hicks, Roger D. Smith
Mineta Transportation Institute
Timely repairs of pavement defects are essential in protecting an important investment and asset that public agencies have. These repairs may be made as durable “stand-alone” repairs of isolated problems, or as part of preparations for a total resurfacing. This manual provides basic information on the planning, materials and construction aspects of common pavement repairs such as crack sealing, crack filling, and patching, as well as a broader look at other preparations needed for total resurfacing a pavement, whether the resurfacing is a surface treatment or a thin hot mix asphalt (HMA) overlay.
Blockchain And Distributed Autonomous Community Ecosystems: Opportunities To Democratize Finance And Delivery Of Transport, Housing, Urban Greening And Community Infrastructure, William Riggs, Vipul Vyas, Menka Sethi
Blockchain And Distributed Autonomous Community Ecosystems: Opportunities To Democratize Finance And Delivery Of Transport, Housing, Urban Greening And Community Infrastructure, William Riggs, Vipul Vyas, Menka Sethi
Mineta Transportation Institute
This report investigates and develops specifications for using blockchain and distributed organizations to enable decentralized delivery and finance of urban infrastructure. The project explores use cases, including: providing urban greening, street or transit infrastructure; services for street beautification, cleaning and weed or graffiti abatement; potential ways of resource allocation ADU; permitting and land allocation; and homeless housing. It establishes a general process flow for this blockchain architecture, which involves: 1) the creation of blocks (transactions); 2) sending these blocks to nodes (users) on the network for an action (mining) and then validation that that action has taken place; and 3) …
Managing The Curb: Understanding The Impacts Of On-Demand Mobility On Public Transit, Micromobility, And Pedestrians, Susan Shaheen, Elliot Martin, Adam Cohen, Jacquelyn Broader, Richard Davis
Managing The Curb: Understanding The Impacts Of On-Demand Mobility On Public Transit, Micromobility, And Pedestrians, Susan Shaheen, Elliot Martin, Adam Cohen, Jacquelyn Broader, Richard Davis
Mineta Transportation Institute
In recent years, innovative mobility and shifts in travel and consumption behavior are changing how people access and use the curb. Shared mobility—the shared use of a vehicle, bicycle, scooter, or other mode—coupled with outdoor dining, curbside pick-up, and robotic delivery are creating new needs related to the planning, management, and enforcement of curb access. This study examines curb planning and management from several angles, such as safety, social equity, and multimodal connections. This research employs a multi-method approach to identify the changing needs for curb space management and how to meet these needs through new planning and implementation policies …
Aligning The Transit Industry And Their Vendors In The Face Of Increasing Cyber Risk: Recommendations For Identifying And Addressing Cybersecurity Challenges, Scott Belcher, Terri Belcher, Kathryn Seckman, Brandon Thomas, Homayun Yaqub
Aligning The Transit Industry And Their Vendors In The Face Of Increasing Cyber Risk: Recommendations For Identifying And Addressing Cybersecurity Challenges, Scott Belcher, Terri Belcher, Kathryn Seckman, Brandon Thomas, Homayun Yaqub
Mineta Transportation Institute
Public transit agencies in the United States depend on external vendors to help deliver and maintain many essential services and to provide critical technologies, from ticket purchases to scheduling to email management. While the integration of new, advanced technologies into the public transit industry brings important advancements to U.S. critical transportation infrastructure, the application of digital technologies also brings with it a new assortment of digital risks. Transit agencies of all sizes are finding themselves subject to cyber incidents—most notably ransomware attacks—like those experienced by larger, more prominent companies and critical infrastructure providers. The findings in this report focus on …
Contracting Strategies: A Different Approach To Address Long-Term Performance, Maria Calahorra-Jimenez
Contracting Strategies: A Different Approach To Address Long-Term Performance, Maria Calahorra-Jimenez
Mineta Transportation Institute
For cost-efficiency, public safety, and sustainability, improving long-term performance in highway projects is imperative for public administrations. Project delivery and procurement methods provide an opportunity to align design and construction processes with this goal. While previous studies have explored whether project delivery methods impact the long-term performance of highway projects, these studies did not focus on how core elements within project procurement relate to long-term performance. Thus, to fill this gap, this research explores how and to what extent long-term evaluation criteria are considered in design-build best-value procurement of highway projects. To this end, the team conducted content analysis on …
Book Review: Freedom Libraries: The Untold Story Of Libraries For African Americans In The South By Mike Selby, Claire Kelley
Book Review: Freedom Libraries: The Untold Story Of Libraries For African Americans In The South By Mike Selby, Claire Kelley
School of Information Student Research Journal
No abstract provided.
Information: A Historical Companion Book Review, Lena Hernandez
Information: A Historical Companion Book Review, Lena Hernandez
School of Information Student Research Journal
No abstract provided.
Cultural Competence In Research, Michele A. L. Villagran
Cultural Competence In Research, Michele A. L. Villagran
School of Information Student Research Journal
No abstract provided.
The Past, Present, And Future Of Information, Tierra Holmes
The Past, Present, And Future Of Information, Tierra Holmes
School of Information Student Research Journal
No abstract provided.
Ischool Student Research Journal, Vol.12, Iss.1, Student Reseach Journal
Ischool Student Research Journal, Vol.12, Iss.1, Student Reseach Journal
School of Information Student Research Journal
No abstract provided.
Assessing Public Health Benefits Of Replacing Freight Trucks With Cargo Cycles In Last Leg Delivery Trips In Urban Centers, Jennifer C. Hartle, Ossama (Sam) A. Elrahman, Cara Wang, Daniel A. Rodriguez, Yue Ding, Matt Mcgahan
Assessing Public Health Benefits Of Replacing Freight Trucks With Cargo Cycles In Last Leg Delivery Trips In Urban Centers, Jennifer C. Hartle, Ossama (Sam) A. Elrahman, Cara Wang, Daniel A. Rodriguez, Yue Ding, Matt Mcgahan
Mineta Transportation Institute
Increased urbanization, population growth, and demand for time-sensitive deliveries means increased freight movement in cities, which contributes to emissions, noise, and safety concerns. One innovative mode gaining widespread attention for urban deliveries is cargo cycles—bicycles adapted for freight delivery. Despite the recognized potential and possible success of transporting at least 25% of freight via cycle, research remains limited. This research investigates the potential of cargo cycle delivery for last mile freight in Oakland, California, with a focus on the West Oakland neighborhood. The data collection included interviews, focus groups, vehicle field observation and counts, and traffic simulation modeling. The traffic …
Evaluation Of Sustainability Determinants To Develop A Sustainability Rating System For California Infrastructure Construction Projects, Joseph Kim, Patricia Mccarthy
Evaluation Of Sustainability Determinants To Develop A Sustainability Rating System For California Infrastructure Construction Projects, Joseph Kim, Patricia Mccarthy
Mineta Transportation Institute
This study evaluates the important sustainability determinants that affect factors’ success in meeting their sustainability goals when conducting infrastructure construction projects in California. The study implemented the online survey method to evaluate the sustainability characteristics that infrastructure industry professionals currently are aware of under the current situation in California. A data set of 25 validated survey responses is used for statistical data analysis using analysis of variables, Kruskal-Wallis tests, and two sample t-tests. The analysis results showed that the median response values for the six major sustainability categories do not show any significant difference. The results also showed that no …
Transportation Utility Fee To Fund Transit In California, Shishir Mathur, Ralph Robinson
Transportation Utility Fee To Fund Transit In California, Shishir Mathur, Ralph Robinson
Mineta Transportation Institute
Public transit is a key tool to reduce greenhouse gas (GHG) emissions to combat climate change; improve safety for pedestrians, cyclists, and drivers; and expand accessibility and mobility for all. However, we can only realize this potential by making sufficient investments to provide transit service levels that attract and retain greater ridership. To help with this needed investment, a handful of local governments have turned to transportation utility fees (TUFs), primarily collected as a monthly charge on customers' utility bills or property tax bills. While more widely used to support street maintenance, this study identifies six case studies where TUF …
Modeling And Predicting Geospatial Teen Crash Frequency, Sonu Mathew, Srinivas S. Pulugurtha, Sarvani Duvvuri
Modeling And Predicting Geospatial Teen Crash Frequency, Sonu Mathew, Srinivas S. Pulugurtha, Sarvani Duvvuri
Mineta Transportation Institute
This research project 1) evaluates the effect of road network, demographic, and land use characteristics on road crashes involving teen drivers, and, 2) develops and compares the predictability of local and global regression models in estimating teen crash frequency. The team considered data for 201 spatially distributed road segments in Mecklenburg County, North Carolina, USA for the evaluation and obtained data related to teen crashes from the Highway Safety Information System (HSIS) database. The team extracted demographic and land use characteristics using two different buffer widths (0.25 miles and 0.5 miles) at each selected road segment, with the number of …
Influence Of Level 1 And Level 2 Automated Vehicles On Fatal Crashes And Fatal Crash Occurrence, Hardik Gajera, Srinivas S. Pulugurtha, Sonu Mathew
Influence Of Level 1 And Level 2 Automated Vehicles On Fatal Crashes And Fatal Crash Occurrence, Hardik Gajera, Srinivas S. Pulugurtha, Sonu Mathew
Mineta Transportation Institute
Connected and automated vehicles (CAVs) are expected to improve safety by gradually reducing human decisions while driving. However, there are still questions on their effectiveness as we transition from almost 0% CAVs to 100% CAVs with different levels of vehicle autonomy. This research focuses on synthesizing literature and identifying risk factors influencing fatal crashes involving level 1 and level 2 CAVs in the United States. Fatal crashes involving level 0 vehicles—ones that are not connected and automated—were compared to minimize unobserved heterogeneity and randomness associated with the influencing risk factors. The research team used the fatal crash data for the …
Evaluation Of Polymer Binder Technisoil G5® In Concrete Mixture, Shadi Saadeh, Pritam Katawal
Evaluation Of Polymer Binder Technisoil G5® In Concrete Mixture, Shadi Saadeh, Pritam Katawal
Mineta Transportation Institute
Plastic is everywhere, and with its increasing use in so many everyday materials, the production and demand of plastic has skyrocketed. Unfortunately, this has resulted in the accumulation of a mammoth amount of plastic waste and adverse effects on the environment. To optimize the huge amount of materials required by the pavement industry each year and reuse recycled plastics, the use of reclaimed asphalt pavement (RAP) has been common practice. This research studied the use of a binder completely made from recycled waste plastic named Technisoil G5® and compared it with performance grade PG 70-22 mix containing virgin aggregates and …