National Academies: Communication Strategies for Building Confidence in COVID-19 Vaccines. The fourth wave of COVID-19 in the U.S., fueled by the delta variant, affirms the importance of tackling vaccine hesitancy and communicating with parents of children who are eligible to be vaccinated and those for whom future eligibility is anticipated.

NCHRP Web-Only Document 311: Improving the Efficiency and Consistency of Section 106 Compliance for State DOTs: Strategies for Project-Level Programmatic Agreements