The FDOT Source Book

The Source Book’s inputs include historical data from field-measured travel speed data, FDOT’s Traffic Characteristics Inventory (TCI), and FDOT’s Roadway Characteristics Inventory (RCI). Measures were developed incorporating methodologies that stem from decades of research. For more information, please reference the methodology report.

The following bi-directional measures are available at a segment level:

Annual Average Daily Traffic (Daily)

Average Travel Speed (Peak Hour, Peak Period)

Vehicle Hours of Delay per Mile (Peak Hour, Daily, Yearly)

Person Hours of Delay per Mile (Peak Hour, Daily, Yearly)

Weekday Planning Time Index (Peak Hour, Daily, Peak Period)

Level of Travel Time Reliability (AM Peak, Mid-day, PM Peak, Weekend)

Average Speed vs. Posted Speed Limit (Peak Hour)

Vehicles per Lane (Peak Hour)

Combination Truck Average Speed (Peak Hour)

Combination Truck Hours Delay per Mile (Daily)

Combination Truck Weekday Planning Time Index (Peak Hour, Daily, Peak Period)

Combination Truck Miles Traveled (Daily)

Use the layer control button on the top right to select the performance measure and reporting period. Click on a roadway segment within the map to view its selected performance measure. Shapefiles for segments, counties, disctricts, and the state are available for download. The data dictionary is also included in the download package.

Sources:

FDOT - Traffic Characteristics Inventory

FDOT - Roadway Characteristics Inventory

HERE Technologies - Travel Time Data

American Transportation Research Institute (ATRI) - An Analysis of the Operational Costs of Trucking

Contact FDOT Systems Forecasting & Trends Office for any questions.

Comparison Sidebar

Shift+Click a segment to add it to comparison