The 2019 FDOT Source Book is a compilation of current and historical mobility data for Florida's transportation systems. The report features numerous charts and diagrams to help readers visualize key indicators in safety, system performance, and asset management across all of Florida's major transportation modes. This edition of the source book has added new forecasted and safety sections, as well as a series of new mobility measures, which reflect FDOT's ongoing emphasis on the Vital Few: embracing safety, enhancing mobility, and inspiring innovation.