Reclaimed asphalt pavement (RAP) and recycled concrete aggregates (RCA) are potentially economically and environmentally advantageous materials in some applications and will promote preservation of raw material resources. This webinar will focus on aggregate optimization for concrete mix designs as well as RAP and RCA applications and how each impacts sustainability of aggregates It is a followup to the 2023 TRB webinar Aggregate Sustainability—Production.

People experiencing homelessness have been increasingly seeking shelter at airports due to a significant increase in homelessness and airports’ relative safety, transit accessibility, climate-controlled shelter, and access to food and amenities. This webinar will explore effective strategies and recommended practices to foster collaboration between airports and local communities, ensuring the welfare of individuals experiencing homelessness while safeguarding the operational efficiency and security of airport operations.

Related TRB Publication: Strategies to Address Homelessness at Airports (ACRP Research Report 254)

Highly modified asphalt (HiMA) binders are engineered to provide lasting performance in asphalt mixtures subjected to demanding traffic loading and environmental conditions. This webinar will describe the development of HiMA, including the applications at the National Center for Asphalt Technology.

Is ferry electrification a means to help support private ferry operations? Fuel is one of the greatest operational costs, leaving some private ferry companies struggling to survive. This webinar will explore ferry electrification programs and installations in Greece, Maine, and North Carolina and will feature three case studies on the benefits and challenges of ferry electrification as a means to improve the environmental footprints and cost of operation.