Public and multimodal transportation can play a critical role in emergency evacuations. TRB hosted a webinar on Monday, August 4, 2025 from 12:00 PM to 1:30 PM Eastern that explored how transit systems can support mass evacuations, reduce congestion, aid carless residents and visitors, and preserve emergency response capacity. Presenters shared insights from wildfire evacuations, including the 2021 Caldor Fire and the 2025 Southern California wildfires, and examined research findings, case studies, and planning principles. Attendees learned about coordination strategies, infrastructure considerations such as mobility hubs, and best practices for better integrating transit into emergency response efforts.
The slides are available. 
 

Low-volume roads in rural areas and developing countries are especially vulnerable to damage from increasingly intense storms. Rapidly assessing road conditions after severe weather events, designing them effectively, and managing them with accurate information can significantly improve their resilience and reduce life-cycle costs. TRB hosted a webinar on Tuesday, July 29, 2025 from 11:00 AM to 12:30 PM Eastern that explored how remote sensing technologies can assist with road location, design, and condition assessments, particularly in remote and developing regions. Presenters shared how high-resolution imagery and digital elevation models derived from remote sensing can support resilient road maintenance, drainage design, and storm damage repairs.
This webinar featured research from NCHRP Synthesis 485: Converting Paved Roads to Unpaved and NCHRP Synthesis 430: Cost-Effective and Sustainable Road Slope Stabilization and Erosion Control.
This webinar was sponsored by TRB’s National Cooperative Highway Research Program and the Standing Technical Committee on Low Volume Roads.
The slides are available.
 

Following 2021 Federal Highway Administration (FHWA) guidance on non-destructive testing (NDT) of fracture-critical members fabricated with Grade 100 steel, bridge inspectors need updated strategies to effectively assess and preserve these structures. TRB hosted a webinar on Thursday, July 24, 2025 from 12:00 PM to 1:30 PM Eastern with case studies demonstrating how non-destructive evaluation (NDE) results can inform bridge preservation decision-making. Presenters shared examples of applying NDE to evaluate Grade 100 steel during long-term structural monitoring. Attendees learned about project procurement, scoping, work progression, key findings, and lessons learned, including critical considerations and challenges encountered throughout the projects.
The slides are available. 
 

Natural disasters, economic disruptions, or geopolitical instability can significantly affect aviation demand and airport operations. TRB hosted a webinar on Wednesday, July 23, 2025 from 1:00 PM to 2:00 PM Eastern that provided an overview of shock events’ impacts on airports. It introduced a practical methodology that helps airport operators identify relevant shock events, assess their potential effects on airport operations and business, and develop strategies to mitigate, withstand, and respond to those disruptions. Presenters also demonstrated how scenario forecasting can support more resilient airport planning.
This webinar was based on ACRP Research Report 272: Incorporating Shock Events into Aviation Demand Forecasting and Airport Planning.
This webinar was sponsored by TRB’s Airport Cooperative Research Program.
The slides are available. 
 

Transportation agencies are operating in an era of rapid change, facing mounting pressures from workforce shifts, emerging technologies, and growing public and stakeholder expectations. TRB hosted a webinar on Thursday, July 17, 2025 from 12:00 PM to 1:30 PM Eastern that offered practical strategies to help agencies strengthen their internal capabilities and navigate evolving demands. Presenters explored why building organizational capacity is more critical than ever, introduced tools and resources from the Advancing Capability-Based (ACB) guidance, and shared real-world examples of how agencies are applying the ACB framework in practice. Attendees gained actionable insights to support long-term success through strategic capability development.
This webinar is based on NCHRP Project 20-24(95)A, "Ensuring Essential Capability for the Future Transportation Agency".
This webinar was sponsored by TRB’s National Cooperative Highway Research Program.
The slides are available. 
 

Private vehicles, rental cars, taxicabs, ridehailing drivers, buses, and service and delivery vehicles are all navigating airport terminal roadways and curbsides. The high proportion of motorists who are unfamiliar with airport layouts and procedures complicate their operating characteristics. TRB hosted a webinar on Tuesday, July 8, 2025 from 1:00 PM to 2:30 PM Eastern that reviewed guidelines for estimating airport roadway requirements and capacities, introduced recommended performance measures and analytical methods, and highlighted innovative strategies to manage traffic demand and reduce congestion in terminal area and curbside operations.
This webinar was based on ACRP Research Report 266: Airport Curbside and Terminal Area Roadway Operations: New Analysis and Strategies.
This webinar was sponsored by TRB’s Airport Cooperative Research Program.
The slides are available. 
 

Preventive maintenance improves performance and extends the life cycle of airport facilities, systems, and components. TRB hosted a webinar on Wednesday, June 25, 2025 from 1:00 PM to 2:30 PM Eastern that will highlight the financial and operational impacts of delayed maintenance and the value of implementing proactive maintenance plans. Presenters went over the consequences and costs associated with deferred maintenance of airport assets and review strategies for developing and applying effective preventive maintenance programs. This webinar was based on findings from ACRP Research Report 273: Quantifying the Impacts of Delayed Maintenance of Airport Assets: A Guide, and provided airport practitioners with practical tools and insights to support long-term asset management and sustainability.
This webinar was sponsored by TRB’s Airport Cooperative Research Program.
The slides are available. Please visit the webinar details page to access the recording.

As transit agencies expand micromobility services such as bike and scooter sharing services to improve first- and last-mile connectivity, understanding the legal landscape is essential for effective and responsible implementation. TRB hosted a webinar on Wednesday, June 18, 2025 from 1:00 PM to 2:30 PM Eastern that examined the legal and regulatory challenges associated with transit agencies providing or subsidizing micromobility options. Presenters offered guidance based on TCRP Legal Research Digest 61: Transit Agencies Providing or Subsidizing Innovative Micromobility Projects: Legal Issues, addressing key topics such as liability, accessibility, safety, and compliance. Attendees gained practical insights into how legal considerations can shape program design and operations, supporting informed decision-making around micromobility in their communities.
This webinar was sponsored by TRB’s Transit Cooperative Research Program.
The slides are available. Please visit the webinar details page to access the recording.
 

Urban rail transit agencies are navigating shifting travel patterns and changing ridership demands in a rapidly evolving transportation landscape. TRB hosted a webinar on Monday, June 16, 2025 from 11:00 AM to 12:30 PM Eastern that featured perspectives from academia, a transit agency, and a metropolitan planning organization (MPO), bridging research and practice in these shifts. Presenters discussed strategies for strengthening ridership resilience, adapting to new travel behaviors, and implementing effective fare policy responses. Attendees gained practical insights on meeting more diverse travel needs, attracting new riders, and enhancing long-term system viability and resilience.
This webinar was sponsored by TRB’s Standing Technical Committee on Urban Rail Transit Systems.
The slides are available. 

Advances in data analysis and visualization are enhancing safety planning efforts for Vision Zero programs and Safe Streets and Roads for All (SS4A) grants across the country. TRB hosted a webinar on Friday, June 13, 2025 from 11:00 AM to 12:30 PM Eastern that introduced participants to innovative methods used to support Vision Zero and SS4A initiatives. Presenters demonstrated new and accessible techniques including vehicle heading analysis at intersections, sliding window analysis, and crash tree diagram visualizations. Attendees gained practical insights into recent developments in safety planning that they can apply in their own communities. Attendees also learned more about NCHRP Research Report 1152: Leveraging Artificial Intelligence and Big Data to Enhance Safety Analysis currently in prepublication.
This webinar was sponsored by TRB’s National Cooperative Highway Research Program and the Standing Technical Committee on Visualization in Transportation.
The slides are available.
 

Oral fluid testing is an emerging roadside chemical testing tool, offering new opportunities for drug detection among motor vehicle drivers. TRB hosted a webinar on Friday, June 6, 2025 from 1:00 PM to 2:30 PM Eastern that provided an in-depth review of best practices for oral fluid collection and analysis, as well as legal considerations for effective implementation. Presenters discussed current analytical methodologies and emerging standards of this testing in impaired driving cases. Attendees gained practical insights into the strengths and limitations of oral fluid testing, supporting informed policy development, enforcement strategies, and traffic safety initiatives.
This webinar was sponsored by TRB’s Standing Technical Committee on Impairment in Transportation.
The slides are available. Please visit the webinar details page to access the recording.
 

Over the coming decades, airports will face a wide range of challenges related to operations, environmental sustainability, and integration with broader intercity and local transportation networks. TRB hosted a webinar on Tuesday, May 27, 2025 from 10:00 AM to 11:30 AM Eastern that explored the potential outcomes for airports and the key issues that must be addressed to achieve a desired future. Presenters discussed how airports must navigate these challenges within the context of their local communities, balancing their roles as economic engines, good neighbors, and resilient hubs.
This webinar was based on ACRP Research Report 271: Envisioning the Future of U.S. Airports.
This webinar was sponsored by TRB’s Airport Cooperative Research Program.
The slides are available. Please visit the webinar details page to access the recording.
 

State departments of transportation (DOTs) and metropolitan planning organizations (MPOs) are working to improve how they collect, integrate, and present transit schedule data across multiple agencies within their regions. TRB hosted a webinar on Thursday, May 15, 2025 from 3:00 PM to 4:30 PM Eastern that discussed strategies for integrating diverse transit data into a single platform or centralized source. Different state DOTs and MPOs have different goals for this integration—ranging from data collection and analysis to enhancing traveler information—which result in varied approaches. Presenters shared examples of these approaches, highlighted common challenges and solutions, and explored ongoing questions about implementing integrated transit data systems at the statewide or regional level.
This webinar was based on TCRP Synthesis 172: Statewide Approaches to the Development of Comprehensive Transit Information Systems.
This webinar was sponsored by TRB’s Transit Cooperative Research Program.
The slides are available. Please visit the webinar details page to access the recording.
 

The freight industry is rapidly evolving, driven by the growth of e-commerce, increasing demands on emergency mobility, and persistent challenges such as truck parking shortages. These issues are often overlooked but are critical to developing a resilient and efficient freight transportation system and shaping priorities for urban freight management. TRB will host a webinar on Thursday, May 8, 2025 from 1:00 PM to 2:30 PM Eastern that explored strategies and innovations addressing these pressing freight mobility challenges. Presenters highlighted innovative approaches to mobility during emergencies, freight trip generation dynamics in urban settings, and the economic and operational costs of inadequate truck parking infrastructure.
This webinar was based on NCHRP Research Report 1115: Transporting Freight in Emergencies A Guide on Special Permits and Weight Requirements.
This webinar was sponsored by TRB’s National Cooperative Highway Research Program and the Standing Technical Committees on Freight Transportation Planning and Logistics and Disaster Response, Emergency Evacuations, and Business Continuity.
The slides are available. Please contact trbwebinar@nas.edu for a link to the recording. There may be a $90 fee.
 

The capabilities of uncrewed aerial systems (UAS), or “drones,” have advanced rapidly, making them increasingly practical for transportation agencies. TRB hosted a webinar on Wednesday, April 30, 2025 from 1:00 PM to 2:30 PM Eastern that shared leading applications of UAS to help provide safe and efficient infrastructure assessment capabilities. One of these applications is enhancing the safety and efficiency of infrastructure inspections. Presenters shared three case studies: one on bridge inspection, another on airport pavement inspection, and a third on construction modeling.
This webinar featured research from NCHRP Research Report 1114: Uncrewed Aerial Systems Applications for Bridge Inspections: Element-Level Bridge Data Collection, NCHRP Synthesis 578: Use of Unmanned Aerial Systems for Highway Construction, and NCHRP Domestic Scan 17-01: Successful Approaches tor the Use of Unmanned Aerial Systems by Surface Transportation Agencies.
This webinar was sponsored by TRB’s National Cooperative Highway Research Program and the Standing Technical Committee on New Users of Shared Airspace.
The slides are available. Please contact trbwebinar@nas.edu for a link to the recording. There may be a $90 fee.
 

Ensuring seamless connectivity is increasingly important, especially as rural areas—home to one in ten Texans—rely on improved infrastructure for economic growth and mobility. TRB hosted a webinar on Monday, April 28, 2025 from 11:00 AM to 12:30 PM Eastern that explored statewide multimodal connectivity planning and strategies in Texas for enhancing connectivity between rural and urban communities while addressing growing population and workforce demands. Presenters highlighted major corridor improvements, the role of community engagement in transportation planning, and considerations for multimodal connectivity to support the movement of people and goods across Texas, the U.S., and Mexico.
This webinar was sponsored by TRB’s Standing Technical Committee on Freight Transportation Planning and Logistics.
The slides are available. 
 

Disruptions to the supply chain can have widespread economic and societal impacts, particularly for regions recovering from extreme weather events. Elements of resilience in transportation include the 4Rs: robustness, redundancy, resourcefulness, and rapidity. TRB hosted a webinar on Thursday, April 24, 2025 from 12:00 PM to 1:30 PM Eastern that explored how incorporating the 4Rs into state freight programs can help mitigate these risks. Presenters highlighted innovative approaches to freight resilience planning and strategies to improve supply chain stability.
This webinar was sponsored by TRB’s Standing Technical Committee on Freight Transportation Planning and Logistics.
The slides are available. Please contact trbwebinar@nas.edu for a link to the recording. There may be a $90 fee.
 

Agencies around the world are developing frameworks, policies and projects to reuse structural foundation elements in new structures. TRB hosted a webinar on Tuesday, April 15, 2025 from 1:00 PM to 2:30 PM Eastern that covered how different agencies have approached the development of programs for reuse of existing infrastructure foundation elements. Presenters shared specific technical approaches on projects where foundation elements were reused for new superstructure construction.
This webinar featured research from NCHRP Synthesis 505: Current Practices and Guidelines for the Reuse of Bridge Foundations.
This webinar was sponsored by TRB’s National Cooperative Highway Research Program and the Standing Technical Committees on Foundations of Bridges and Other Structures, Resource Conservation and Recovery, and Construction of Bridges and Structures.
The slides are available. Please contact trbwebinar@nas.edu for a link to the recording. There may be a $90 fee.
 

Advanced air-control measures in public transportation are necessary, as buses can be high-risk environments for the spread of airborne diseases. TRB hosted a webinar on Thursday, April 10, 2025 from 2:00 PM to 3:30 PM Eastern that explored effective strategies to mitigate the transmission of airborne viruses in bus cabins. Presenters shared insights from experimental and simulation studies on bus cabin air circulation, evaluating the effectiveness of various mitigation methods. Attendees learned both immediate response methods for outbreaks and long-term engineering solutions for prevention.
This webinar was based on Executive Summary: Strategies to Mitigate Exposure to Airborne Diseases for Public Transportation Passengers and Employees.
This webinar was sponsored by TRB’s Transit Cooperative Research Program.
The slides are available. 
 

Extending the service life of concrete bridge decks can reduce maintenance costs and improve infrastructure resilience. TRB hosted a webinar on Friday, March 28, 2025 from 12:00 PM to 1:30 PM Eastern that explored innovative practices being implemented across the U.S. to enhance bridge deck durability and serviceability. Presenters discussed strategies to mitigate concrete deck deterioration caused by steel reinforcement corrosion, and share insights on materials, design techniques, and construction methods that improve longevity.
This webinar featured research from NCHRP Domestic Scan 22-01: Recent Leading Innovations in the Design, Construction, and Materials Used for Concrete Bridge Decks.
This webinar was sponsored by TRB’s National Cooperative Highway Research Program.
The slides are available. Please contact trbwebinar@nas.edu for a link to the recording. There may be a $90 fee.