This Notice of Funding Opportunity will result in the distribution of up to $44,550,000 for two different categories of grants: (1) Planning and Design Grants and (2) Construction Grants. The Active Transportation Infrastructure Investment Program (ATIIP) projects will help improve the safety, efficiency, and reliability of active transportation networks and communities; improve connectivity between active transportation modes and public transportation; enhance the resiliency of on- and off-road active transportation infrastructure and help protect the environment; and improve quality of life in disadvantaged communities through the delivery of connected active transportation networks and expanded mobility opportunities.