School Bus Driver Appreciation Day is observed annually on the fourth Tuesday in April, with this year's celebration falling on April 28. The day originated in California, where it was initially celebrated informally before being officially recognized by the California legislature in 2009. The purpose of the day is to draw public attention to the significant contributions of school bus drivers in ensuring the safe transportation of students. Typical customs include expressing gratitude towards these drivers for their patience and dedication. The holiday has since spread beyond California, being commemorated in various ways across the United States. The recognition of this day highlights the essential role that school bus drivers play in the education system.