The purpose of this notice is to solicit applications for Safe Streets and Roads for All (SS4A) grants. Funds for the fiscal year (FY) 2024 SS4A grant program are to be awarded on a competitive basis to support planning and demonstration activities, as well as projects and strategies to prevent death and serious injury on roads and streets involving all roadway users, including pedestrians; bicyclists; public transportation, personal conveyance, and micromobility users; motorists; and commercial vehicle operators. This NOFO was amended on April 16, 2024. See https://www.transportation.gov/grants/ss4a/fy24-nofo. Applicants must submit their applications via Valid Eval at https://usg.valideval.com/teams/usdot_ss4a_2024_implementation/signup for Implementation Grant applicants, and https://usg.valideval.com/teams/usdot_ss4a_2024_planning_demo/signup for Planning and Demonstration Grants. Do not submit your applications through Grants.Gov. Planning and Demonstration Grant applicants have three deadlines: Thursday, April 4, 2024, 5:00 PM (EDT) Thursday, May 16, 2024, 5:00 PM (EDT) Thursday, August 29, 2024, 5:00 PM (EDT) Implementation Grant applications must be submitted by 5:00 PM (EDT) on Thursday, May 16, 2024. Late applications will not be accepted unless there is a technical issue directly caused by the online submission proposal system Valid Eval.