The purpose of the Safe Bus Routes to School Act is to enhance the safety of school bus routes as part of the existing Safe Routes to School program. This program aims to ensure that children can travel to and from school safely, particularly by bus. The legislation seeks to address the specific needs related to school bus transportation, making it safer for students. Key provisions of the Act include defining what constitutes a school bus route and expanding the scope of the Safe Routes to School program to include planning and implementing safety improvements for these routes.