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Articles 1 - 30 of 538
Full-Text Articles in Public Affairs, Public Policy and Public Administration
The Future Of Transit, Adam Cohen
The Future Of Transit, Adam Cohen
Mineta Transportation Institute
Public transit agencies are adapting to a post-pandemic operating environment characterized by hybrid work, more dispersed travel demand, workforce constraints, and persistent fiscal pressures. This perspective paper examines how transit agencies, such as the Santa Clara Valley Transportation Authority (VTA), can strengthen ridership while improving the financial sustainability and long-term resilience of its transit system. The analysis synthesizes peer-reviewed research, government and industry reports, publicly available data, transit agency case studies, and expert interviews with thought leaders. The findings indicate that reliability, travel time, frequency, and customer experience remain fundamental drivers of transit use, but that traditional peak-oriented service planning …
Identification Of At-Risk Rail Network Segments And Development Of Fragility-Based Resilience Metrics, Haizhong Wang, Brian M. Staes, Benyamin Ghoreishi
Identification Of At-Risk Rail Network Segments And Development Of Fragility-Based Resilience Metrics, Haizhong Wang, Brian M. Staes, Benyamin Ghoreishi
Mineta Transportation Institute
This report presents a multi-hazard risk and resilience assessment of the U.S. rail network. The research identifies at-risk rail segments exposed to flash flooding, riverine flooding, extreme heat, and landslides using historical hazard records, federal accident and incident data, and meteorological datasets spanning 2000–2024. Flood exposure is mapped nationally by linking storm records to rail alignments and estimating the frequency and intensity of events at the segment level. For extreme heat, a fragility analysis of 153 documented thermal buckling derailments reveals that a significant share of failures occurred under relatively mild environmental conditions, pointing to infrastructure and maintenance factors rather …
Multimodal Solutions For The Detection Of Safety-Related Railroad Objects Under Adverse Weather: Architectures, Proof-Of-Concepts, And Performance Results, Hayder Radha
Mineta Transportation Institute
The emergence of high-resolution automotive grade lidar sensor technologies and the development of advanced deep- learning frameworks open the door for accurate and real-time perception of the surroundings of mobile trains for improved safety and operational efficiency. Under this project, we developed key components and proof-of-concepts of lidar-based multimodal solutions that rely on advanced deep- learning methods and utilize object detection approaches to demonstrate the feasibility of real-time detection of objects and events that could represent major safety issues for moving trains. The detected objects could be vehicles or people trespassing a railroad track, or they could be hazardous objects …
Studying Extreme Weather Event Impacts For Transit-Reliant Unhoused Populations, Costanza Rampini, Serena Alexander, Jeff Wootton, Amruta Ashish Gandhi
Studying Extreme Weather Event Impacts For Transit-Reliant Unhoused Populations, Costanza Rampini, Serena Alexander, Jeff Wootton, Amruta Ashish Gandhi
Mineta Transportation Institute
No abstract provided.
Dynamic Flood Risk Assessment For Transportation Infrastructure In Fresno, Ca, Yushin Ahn, Fayzul Pasha
Dynamic Flood Risk Assessment For Transportation Infrastructure In Fresno, Ca, Yushin Ahn, Fayzul Pasha
Mineta Transportation Institute
Urban roadway flooding in flat metropolitan environments often shows up as small areas of standing water rather than large, flowing floods. In low-gradient urban environments, subtle micro-topographic features—such as pavement crowns, curbs, and localized depressions—often control where surface water accumulates following rainfall. Accurately identifying these localized ponding areas is important for roadway flood screening and infrastructure management. This study develops a LiDAR-based depression mapping framework to identify roadway segments susceptible to surface ponding in flat urban environments. High-resolution airborne LiDAR datasets were used to generate detailed elevation maps (down to less than a foot in resolution) from ground-classified point clouds …
Advancing Clean Mobility: Hydrogen Fuel Cell Electric Bus Workforce Development For Transit Agencies, Manideep Tummalapudi, Shantanu Kumar, Jaskaran Singh
Advancing Clean Mobility: Hydrogen Fuel Cell Electric Bus Workforce Development For Transit Agencies, Manideep Tummalapudi, Shantanu Kumar, Jaskaran Singh
Mineta Transportation Institute
Hydrogen fuel cell electric buses (FCEBs) are rapidly transforming public transportation in the United States. However, while transit agencies are investing heavily in new zero-emission vehicles and fueling infrastructure, far less attention has been paid to the workforce needed to operate and maintain them. As agencies accelerate toward ambitious climate and fleet transition goals, they are also confronting a critical challenge: preparing workers for an entirely new set of technologies, safety requirements, and operational demands. This study addresses that gap by systematically identifying the knowledge, skills, and abilities (KSAs) required for FCEB vehicle operators and maintenance technicians, assessing current training …
Enhancing Wildfire Resilience In The Rail Industry: Developing A Community Resilience Extreme Events Portal (Creep), Karl Kim, Eric Yamashita, Daniele Spirandeli, David Rother, Chris Chiesa, Greg Hampe, Michele Toner
Enhancing Wildfire Resilience In The Rail Industry: Developing A Community Resilience Extreme Events Portal (Creep), Karl Kim, Eric Yamashita, Daniele Spirandeli, David Rother, Chris Chiesa, Greg Hampe, Michele Toner
Mineta Transportation Institute
The Community Resilience Extreme Events Portal (CREEP) provides a centralized platform for accessing wildfire danger indices, critical asset locations, and vulnerability scores for rail segments. The project team developed a data-driven, indicator-based vulnerability assessment framework that defines vulnerability as a function of exposure, sensitivity, and adaptive capacity. To build this framework, the team selected publicly available datasets, prioritizing national datasets whenever possible to ensure transparency, reproducibility, and scalability. The portal allows users to analyze and visualize vulnerability across 1-kilometer segments of Class I freight and passenger rail lines in California, supporting planning and mitigation prioritization to help reduce rail-related fatalities, …
Wildfire Risk & Preparedness For Urban Rail Operators Supporting Large Stadium Events, Karl Kim, Eric Yamashita, Daniele Spirandeli, David Rother
Wildfire Risk & Preparedness For Urban Rail Operators Supporting Large Stadium Events, Karl Kim, Eric Yamashita, Daniele Spirandeli, David Rother
Mineta Transportation Institute
The project team, in collaboration with partners and stakeholders, developed a four-hour training course designed to build a foundational understanding of how wildfire hazards affect rail systems infrastructure operations and how this knowledge can help equip urban rail operators with tools and best practices for proactive risk management. Led by the University of Hawaiʻi and the National Disaster Preparedness Training Center, in partnership with Haley & Aldrich, Inc., this technical report presents an overview of the four modules and scenario planning exercise that together make up the four-hour Wildfire Risk & Preparedness for Urban Rail Operators Supporting Large Stadium Events …
Automated Battery Management Systems For Electric Vehicles, Woonki Na, Yuanyuan Xie
Automated Battery Management Systems For Electric Vehicles, Woonki Na, Yuanyuan Xie
Mineta Transportation Institute
Electric vehicle (EV) safety, efficiency, and lifetime are strongly influenced by how well battery cells are managed, and as EV adoption accelerates, improving battery performance has become critical to vehicle reliability, cost, and public trust. This report conducts a field study on the core technologies and challenges in Battery Management Systems (BMS), focusing on the classification of BMS circuit topologies (design/structures) and systematically reviewing different topologies of active cell balancing circuits (systems that move energy from stronger battery cells to weaker ones). The study provides a detailed analysis of the working principles, advantages, and disadvantages of various active balancing circuit …
The Use Of Foamed Glass Aggregate (Fga) As A Lightweight Fill Above Culverts, Amr Morsy
The Use Of Foamed Glass Aggregate (Fga) As A Lightweight Fill Above Culverts, Amr Morsy
Mineta Transportation Institute
Transportation infrastructure—including buried utilities, drainage systems, and culverts—is frequently subjected to significant external stresses arising from existing conditions and new construction, especially in urban environments where deformation and failures can lead to significant operational and safety consequences. Lightweight fills offer a viable strategy to mitigate these stresses by reducing imposed loads. This study investigates the use of lightweight fills, specifically Foamed Glass Aggregate (FGA), as a sustainable solution to support California Senate Bill 1 (SB1) efforts to repair and maintain culverts, as well as for new construction applications. A numerical investigation was conducted to evaluate the performance of culverts backfilled …
Mind The Gap: Freight And Rail System Resilience Between Planning And Practice A Synthesis Of Freight Plan Best Practices And Survey Results From U.S. Transportation Professionals, Serena Alexander, Carmella Uwineza
Mind The Gap: Freight And Rail System Resilience Between Planning And Practice A Synthesis Of Freight Plan Best Practices And Survey Results From U.S. Transportation Professionals, Serena Alexander, Carmella Uwineza
Mineta Transportation Institute
Freight and rail networks across the United States face mounting risks from weather-related hazards and other systemic disruptions that threaten operational continuity, economic stability, and community well-being. While state freight plans are federally mandated, local and metropolitan freight planning varies widely, leaving gaps in how resilience is addressed across scales. This study examines how resilience is being integrated into freight and rail planning through a two-part approach: (1) a content analysis of 43 recent state and metropolitan freight plans, and (2) a nationwide survey of 56 transportation professionals engaged in freight and rail planning. Findings show broad consensus on the …
Smart-Twin: Systematic Modeling And Real-Time Transportation With Digital Twins, Hovannes Kulhandjian
Smart-Twin: Systematic Modeling And Real-Time Transportation With Digital Twins, Hovannes Kulhandjian
Mineta Transportation Institute
Urban transportation networks are increasingly affected by everyday congestion, non-recurring disruptions, and limited real-time visibility into what is happening on the road. Transportation agencies require advanced tools that support faster, proactive management and data-driven infrastructure decisions rather than passive monitoring. This report presents SMART-TWIN, an Artificial Intelligence (AI)–driven Digital Twin framework designed for real-time traffic operations, disruption detection, and performance-based decision-making support. The SMART-TWIN architecture integrates microscopic traffic simulation (detailed traffic modeling), long-horizon synthetic demand generation simulating real travel patterns, supervised machine learning, and performance analysis within a unified and reproducible workflow. A corridor-scale Digital Twin was developed for the …
Preparing Today’S Workforce For Tomorrow’S Autonomous Transportation: Bridging Electrical And Civil Engineering Disciplines, Masoud Ghodrat Abadi, Rohollah Moghadam
Preparing Today’S Workforce For Tomorrow’S Autonomous Transportation: Bridging Electrical And Civil Engineering Disciplines, Masoud Ghodrat Abadi, Rohollah Moghadam
Mineta Transportation Institute
Autonomous vehicles (AVs) are expected to transform transportation systems and reshape workforce needs across engineering and related fields. Although existing AV workforce development efforts often emphasize electrical engineering, computer science, and mechanical engineering, transportation engineering remains underrepresented despite its importance to infrastructure, traffic operations, safety, and mobility integration. This study addresses that gap through the development, implementation, and evaluation of an interdisciplinary certificate program, Workforce for Autonomous Vehicle Engineering (WAVE), at California State University, Sacramento. The program was designed to bridge transportation engineering and electrical engineering through a two-step curriculum model consisting of theoretical educational modules and hands-on laboratory activities. …
Mitigating Negative Consequences Of New Urban Growth In Disadvantaged Communities, Shishir Mathur, Christopher E. Ferrell, Cindy Adrian
Mitigating Negative Consequences Of New Urban Growth In Disadvantaged Communities, Shishir Mathur, Christopher E. Ferrell, Cindy Adrian
Mineta Transportation Institute
New housing and development in California are often planned in communities that already face economic hardship, environmental burdens, and limited access to reliable transportation. Recent research finds specifically that in the San Francisco (S.F.) Bay Area and Southern California (SoCal) metropolitan regions, there is a high propensity to plan new urban development in socially, economically, and environmentally disadvantaged communities (DACs) with poor transit accessibility and limited personal mobility. This project first reviews the literature to identify potential unintended negative impacts of high concentrations of new urban growth in DACs across social, economic, educational, environmental, and transportation dimensions. It then identifies …
Routes To Sustainable Goods Movement: How Local And Regional Governmental Agencies Can Plan For The Sustainable Freight System Of The Future, Serena E. Alexander, Avante Grady
Routes To Sustainable Goods Movement: How Local And Regional Governmental Agencies Can Plan For The Sustainable Freight System Of The Future, Serena E. Alexander, Avante Grady
Mineta Transportation Institute
Freight transportation plays a critical role in supporting economic activity and everyday consumption across metropolitan regions, but growing freight demand continues to increase congestion, infrastructure strain, greenhouse gas emissions, air pollution, and safety risks. These impacts often disproportionately affect low-income and environmentally burdened communities. This report examines how metropolitan regions across the United States are planning for sustainable freight transportation through content analysis of freight and goods movement plans and interviews with freight planning professionals. The study analyzes plans from eight major metropolitan regions to identify common freight planning strategies, implementation approaches, opportunities, and barriers related to sustainability, resilience, and …
Enhancing Sustainability And Durability In Asphalt Pavements: Evaluating The Impact Of Low-Carbon Sulfur Polymer Modifiers And Reclaimed Asphalt Pavement, Mohammad Doroudgar, Shadi Saadeh, Elham Fini
Enhancing Sustainability And Durability In Asphalt Pavements: Evaluating The Impact Of Low-Carbon Sulfur Polymer Modifiers And Reclaimed Asphalt Pavement, Mohammad Doroudgar, Shadi Saadeh, Elham Fini
Mineta Transportation Institute
The asphalt industry faces major challenges, including the need for pavements that last longer and are more sustainable, as traditional asphalt production is costly and has a high environmental impact. To address this, researchers have been exploring modified asphalt binders such as rubber, charcoal, and waste cooking oil, which have shown promise in extending the lifespan, resistance to deformation, and durability of asphalt pavements. In addition, governments and industries are investing in the use of recycled and “green” materials to reduce the carbon footprint and environmental degradation of conventional asphalt mixtures. Building on this momentum, this study investigates the performance …
What To Expect When You’Re Expecting Passenger Rail: How Central Valley Communities Are Preparing For High-Speed Rail, Josephine K. Hazelton-Bpyle, Naomi Bick
What To Expect When You’Re Expecting Passenger Rail: How Central Valley Communities Are Preparing For High-Speed Rail, Josephine K. Hazelton-Bpyle, Naomi Bick
Mineta Transportation Institute
Approved by California voters in 2008, the California High-Speed Rail (CAHSR) project is a planned 800-mile rail corridor across California aimed at delivering intercity passenger rail service to the state’s largest metropolitan areas. This was the first voter-approved high-speed rail project in the United States and remains one of its most contentious. The first phase of the project’s construction is currently underway in California’s Central Valley, including many communities that initially opposed CAHSR. While supporters champion increased connectivity and the provision of environmentally sustainable transportation alternatives, critics contend the project’s benefits will not outweigh its environmental costs and economic disruptions. …
Exploring The Stress-Strain Relationship Of Lightweight Concrete To Enhance The Lifecycle Performance Of Transportation Highways And Bridges, Fariborz M. Tehrani
Exploring The Stress-Strain Relationship Of Lightweight Concrete To Enhance The Lifecycle Performance Of Transportation Highways And Bridges, Fariborz M. Tehrani
Mineta Transportation Institute
Concrete is the primary construction material of bridges, roads, and other transportation infrastructure across the United States, but conventional normal-weight concrete (NWC) is heavy, prone to cracking, and expensive to maintain over time. This study examines the mechanical properties, durability, and lifecycle performance of lightweight aggregate concrete (LWC) and internally cured concrete (ICC) as alternatives in transportation infrastructure applications. Through laboratory testing, computer modeling, and lifecycle analysis, the research evaluates how these materials perform in terms of strength, flexibility, durability, cost, and environmental impact. The results show that LWC and ICC can meet required strength levels while being lighter and …
Spatiotemporal Dynamics Of Daily And Per Capita Vmt In California: A County-Level Analysis (2019–2023), Yong Lao, Bo Yang
Spatiotemporal Dynamics Of Daily And Per Capita Vmt In California: A County-Level Analysis (2019–2023), Yong Lao, Bo Yang
Mineta Transportation Institute
Vehicle miles traveled (VMT) is a fundamental metric for assessing mobility trends and infrastructure needs. This study examines the spatial-temporal dynamics of daily VMT (DVMT) and per capita DVMT across California counties from 2019 to 2023, covering the pre-, mid-, and post-pandemic periods via GIS mapping and k-means clustering. To identify determinants of per capita DVMT, we compared traditional linear regression approaches (OLS, Ridge, LASSO, Elastic Net) with ensemble tree-based models. Specific results include: the ensemble models estimated using 2019–2022 data delivered substantially higher accuracy, achieving R² values exceeding 0.98; meanwhile, out-of-sample performance on 2023 data remained robust (R² ≈ …
Measuring Multimodal Equity In Resource-Challenged Mpos, Christopher Ferrell, David Reinke, John M. Eells
Measuring Multimodal Equity In Resource-Challenged Mpos, Christopher Ferrell, David Reinke, John M. Eells
Mineta Transportation Institute
Ensuring transportation investments are equitable across different populations and travel modes is a priority for many agencies, yet existing tools often make these assessments difficult, especially for smaller and resource-constrained organizations. To address this gap, this report provides the findings of Phase II of our study on reviewing and developing transportation equity metrics. The Phase I project investigated transit equity metrics and provided recommendations on advancements in quantitative methods. Building on Phase I recommendations, this study investigates low-cost methods for comparing the equity between auto (roadway) and transit performance or investments for low resource transportation agencies. A literature review revealed …
What Holds High-Speed Rail Back: Lessons From Global Systems And California’S Experience, Deepak K. Sharma, Rajnish Lekhi, Scott Parr
What Holds High-Speed Rail Back: Lessons From Global Systems And California’S Experience, Deepak K. Sharma, Rajnish Lekhi, Scott Parr
Mineta Transportation Institute
This report examines benefits and challenges of integrating California High-Speed Rail (CHSR) with other rail systems and reviews California legislation impacting HSR’s contracting and financing alternatives. The research compares CHSR with high-speed rail systems around the world to identify similarities and differences in costs, speeds, ridership, and operating conditions. It also reviews Japan’s Land Readjustment Act as a model for value capture and land assembly and explores international experiences on rail integration, along with U.S. cases from the East Coast and Los Angeles. A review of California’s transportation legislation highlights how laws for highways and bridges differ from those for …
Cycling Past 50: A Closer Look Into The World Of Older Cyclists, Year 5 Survey, Carol Kachadoorian
Cycling Past 50: A Closer Look Into The World Of Older Cyclists, Year 5 Survey, Carol Kachadoorian
Mineta Transportation Institute
This document reports on approximately 2,800 responses to a North American survey of older adults who cycle. The survey, open from March 2024 through February 2025, included questions that captured a person’s cycling over their life course, as well as their current cycling styles, habits, and preferences. Responses reflect the impact of various factors on an older adult’s cycling habits with respect to their ability and agility and their expectation to continue cycling. The survey asked about falls and near misses in the past year, coding fall descriptions into six categories and sorting them by the respondent’s gender and age. …
Equity Evaluation Of Residents’ Transit+Walk Accessibility To Sacramento Healthcare Facilities, Masoud Ghodrat Abadi, Ahoura Zandiatashbar, Aaron Pickett, Stephanie Nemet, Soheil Sharifi
Equity Evaluation Of Residents’ Transit+Walk Accessibility To Sacramento Healthcare Facilities, Masoud Ghodrat Abadi, Ahoura Zandiatashbar, Aaron Pickett, Stephanie Nemet, Soheil Sharifi
Mineta Transportation Institute
Access to healthcare is a key component of public health equity, yet many U.S. communities remain dependent on private vehicles for medical travel. This study introduces an integrated framework, the Transit+Walk Score (TWS), to evaluate how effectively residents of Sacramento, California, can reach healthcare facilities via public transit and how safely, comfortably, and conveniently they can walk from transit stops to those facilities. The research aims to inform planners, transit agencies, and policy makers in designing equitable and multimodal transportation systems. The research team combined geospatial network modeling and field-based walkability audits to assess 123 healthcare facilities across Sacramento, with …
A Hydrogen Hub Blueprint For The California Supply Chain, Tyler Reeb, Barbara Taylor
A Hydrogen Hub Blueprint For The California Supply Chain, Tyler Reeb, Barbara Taylor
Mineta Transportation Institute
As global climate targets tighten and state regulations accelerate, hydrogen technology presents a significant opportunity to help California supply chain and transportation stakeholders comply with state emissions mandates and global goals aimed to reduce the impacts of climate change. However, while fuel cell costs and infrastructure have received attention, workforce development remains overlooked. Hydrogen fuel cell electric vehicles (FCEVs) are especially promising for diesel-reliant sectors that are hard to decarbonize without negatively impacting operational efficiency. But scaling hydrogen vehicles and infrastructure in tandem with emerging consumer and industrial markets will not be easy. State and federal policies, often conflicting, further …
Alternative Project Delivery Methods In California: The Path Forward, Ghada M. Gad, Maria Calahorra Jimenez, Chaimae Nacir, Ronald Shrestha
Alternative Project Delivery Methods In California: The Path Forward, Ghada M. Gad, Maria Calahorra Jimenez, Chaimae Nacir, Ronald Shrestha
Mineta Transportation Institute
Alternative Project Delivery Methods (APDMs) are increasingly being recognized as effective alternatives to the traditional Design-Bid-Build (DBB) approach for transportation projects. As APDMs gain traction among California’s transportation agencies, understanding the legislative frameworks that enable their use and the characteristics of each method is critical. This study benchmarks the existing use of APDMs in California transportation agencies of varying types and sizes, while considering the characteristics (advantages and barriers/challenges to implementation) of each APDM and the authorizations enabling its implementation. Based on these findings, it also provides recommendations for key factors to consider in APDM selection and implementation. The study …
Numerical Modeling Of Climate Change Impacts On Transportation Embankments, Amr Morsy, Mamata Sapkota, Emma Varela, Odalys Portillo
Numerical Modeling Of Climate Change Impacts On Transportation Embankments, Amr Morsy, Mamata Sapkota, Emma Varela, Odalys Portillo
Mineta Transportation Institute
Embankments are essential components of transportation infrastructure, providing crucial support for long stretches of highways, railways, and other routes in California and around the world. Clay embankments are susceptible to weather-related deterioration processes that can gradually compromise their stability and, in some cases, lead to unexpected failures. Climate change, along with the associated shifts in weather patterns, is projected to adversely impact the weather-related deterioration processes, leading to exacerbated failures and/or shorter service life. Additionally, climate change is projected to increase the frequency of extreme precipitation events, leading to an increase in embankment failure potential. This study evaluated (1) the …
Scoring Equitable Transit: A Data-Driven Framework For Affordable Transit-Oriented Development In California, Ahoura Zandiatashbar, Anton Rozhkov, Stephanie Nemet, Atticus Washington, Mounashree Prasanna
Scoring Equitable Transit: A Data-Driven Framework For Affordable Transit-Oriented Development In California, Ahoura Zandiatashbar, Anton Rozhkov, Stephanie Nemet, Atticus Washington, Mounashree Prasanna
Mineta Transportation Institute
Transit-Oriented Development (TOD) is a cornerstone of California’s climate and land use policy, promising walkable, compact neighborhoods near high-quality transit. However, these benefits are not always distributed equitably. This study introduces a scalable framework for identifying and scoring Affordable Transit-Oriented Development (A-TOD) across the state’s High-Quality Transit Areas (HQTAs). The goal is to equip policymakers, planners, and housing agencies with tools to evaluate station areas based on their physical form, affordability, and equity outcomes. Using a 1.5-mile network-based pedestrian buffer around over 66,000 transit stations, the research team developed a three-stage clustering and scoring system. Station areas were classified by …
Workforce Development Academy For Youth, Hassan Hashemian
Workforce Development Academy For Youth, Hassan Hashemian
Mineta Transportation Institute
To address the need for a diverse workforce in the 21st century and create an awareness of the career paths and opportunities that exist in the transportation industry, the College of Engineering, Computer Science, and Technology at the California State University, Los Angeles (CSULA) has created the Workforce Development Academy for Youth (WDAY). The goal of this program is to build a pipeline of diverse, well-qualified young professionals for the transportation industry. The program works with high school students and teachers to offer academic courses, basic skills, workforce readiness training, internships, extracurricular activities, and career placements to prepare students and …
Exploring Electric Bicycle Safety Performance Data And Policy Options For California, Asha Weinstein Agrawal, Kevin Fang
Exploring Electric Bicycle Safety Performance Data And Policy Options For California, Asha Weinstein Agrawal, Kevin Fang
Mineta Transportation Institute
This study was conducted as directed by California Senate Bill 381 (2023), which called for research to help policymakers develop effective laws and policy to support the twin goals of expanding electric bicycle use and protecting the safety of electric bicycle riders and other road users. The three major strands of findings presented in this report are (1) a review of how California and other states (and countries) regulate electric bicycle use, (2) a review of the electric bicycle safety literature, including original analysis of primary data on crashes, injuries, and deaths, and (3) strategies that the state could adopt …
An Assessment Of The Viva Callesj September 2025 Event In San José, Richard Kos, Adam Cohen
An Assessment Of The Viva Callesj September 2025 Event In San José, Richard Kos, Adam Cohen
Mineta Transportation Institute
Viva CalleSJ is an open-streets initiative where several miles of the City of San José’s streets are closed to vehicular traffic, allowing residents to walk, bike, scooter, and skate freely. This report evaluates the Viva CalleSJ event held in San José on September 7, 2025, which attracted more than 150,000 participants. Using a mixed-methods approach, this evaluation examines aspects such as attendance, activities, modal access, and economic impacts, utilizing data from participant surveys (in English, Spanish, and Vietnamese), interviews, and observational analysis. The findings indicate that the Viva CalleSJ September 2025 event was largely successful in achieving its objectives, including …