Since 1980, as part of the School Safety Busing program, school boards across Illinois have been documenting Serious Safety Hazard Findings and submitting them to their IDOT district office for approval. Thousands of forms were submitted in the last two-and-a-half decades representing an opportunity to document and assess safety hazards affecting children in Illinois: Where do we find most approved hazards? What kinds of approved hazards occur most frequently? Are there particular locations that have a high concentration of approved hazards? The answers to these questions offer valuable information towards improving conditions for walking and biking to school. In the following report we sought to answer some of these questions and identify less obvious questions that may need to be addressed.