In addition to the Safe Streets for All and Promoting Resilient Operations for Transformative, Efficient, and Cost-Saving Transportation (PROTECT) Discretionary Grant Programs, numerous other opportunities are available for local agencies and tribes.
The Rural Opportunities to Use Transportation for Economic Success (ROUTES) Office keeps a running list of open discretionary grant programs. Find the list and a program that might fit for your agency at https://www.transportation.gov/rural/funding-opportunities.