This bill provides appropriations for the Departments of Transportation (DOT) and Housing and Urban Development (HUD), along with several related agencies, for the fiscal year ending September 30, 2026. It outlines specific funding levels for a wide array of programs and activities, ensuring the continued operation and development of critical infrastructure and social support systems across the United States. For the Department of Transportation, significant allocations are made to the Federal Aviation Administration (FAA) for operations, facilities, equipment, research, and airport grants, including community project funding. The bill also funds the Federal Highway Administration (FHWA) for federal-aid highways, highway infrastructure programs, and administrative expenses, with specific provisions for Tribal transportation and commercial motor vehicle parking projects. The Federal Railroad Administration (FRA) receives funding for safety, research, consolidated rail infrastructure and safety improvements, and grants to the National Railroad Passenger Corporation (Amtrak) for both Northeast Corridor and National Network activities. The Federal Transit Administration (FTA) is allocated funds for transit formula grants, transit infrastructure grants, technical assistance, and capital investment grants, including support for the Washington Metropolitan Area Transit Authority. Other DOT agencies, such as the Great Lakes St. Lawrence Seaway Development Corporation, Maritime Administration (MARAD), and Pipeline and Hazardous Materials Safety Administration (PHMSA), also receive appropriations for their respective operations and programs. MARAD's funding includes support for the Maritime Security Program, State Maritime Academies, and port infrastructure development. Within the Department of Housing and Urban Development, the bill provides substantial funding for Public and Indian Housing programs. This includes tenant-based rental assistance, such as Section 8 vouchers for renewals and special purposes like HUD-VASH and youth assistance, and funds for public housing operations and capital improvements. Additionally, resources are directed towards self-sufficiency programs, Native American housing initiatives, and assisted housing inspections. The bill also supports Community Planning and Development through allocations for Housing Opportunities for Persons with AIDS (HOPWA), Community Development Block Grants (CDBG), and Economic Development Initiative (EDI) grants. Homeless assistance programs, including Emergency Solutions Grants and the Continuum of Care program, receive significant funding. Housing programs, such as project-based rental assistance and housing for the elderly and persons with disabilities, are also funded to maintain and expand affordable housing options. General provisions across both departments and related agencies impose various administrative requirements and limitations. These include rules for the reprogramming and transfer of funds, restrictions on certain types of employee training, and requirements for congressional notification on specific funding decisions. The bill also addresses issues such as Buy American Act compliance, eminent domain use, and Inspector General access to information, ensuring accountability and adherence to legislative intent.