The Florida consultant’s data shelf. Spawn a full source note the first time you actually pull from something new; until then this table is the index.
Pull procedures: How to Pull AADT and K-D-T Factors from Florida Traffic Online ★ · How to Pull Crashes from Signal Four Analytics
| Source | Use for | Format | Watch-outs |
|---|---|---|---|
| Signal Four Analytics | FL crash records, geocoded | web query → CSV/PDF | geocoding snaps; latest-year completeness; access agreement/privacy — How to Pull Crashes from Signal Four Analytics |
| Florida Traffic Online (FTO) | AADT, K/D/T factors, count stations | web map/CSV | station ≠ your segment; factor category choice matters |
| FDOT Traffic Data (TDA) | bulk downloads, handbooks, bike/ped counts | mdb/shp/CSV/PDF | annual stats post ~April; cite handbook editions |
| FDOT Open Data Hub | statewide GIS layers (AADT, RCI, functional class, crashes) | REST/shp/GeoJSON | layer metadata before trusting; RCI = SHS only, field-verify vintage |
| FDOT Straight-Line Diagrams (SLD) | corridor features by milepost | PDF/app | historic vintages vary |
| County & MPO Count Programs (Tampa Bay) | local-road AADT, HIN multimodal counts | web map/PDF | methodology differs from FDOT; Pinellas is PDF-only |
| NPMRDS Analytics (RITIS) | travel time, speed, reliability on NHS | web analytics → CSV | free login for agency work; probe averages ≠ spot speeds |
| FL511 | live closures, incidents, cameras | web | live-only — screenshot and date; check before counts |
| FDOT Source Book | citable statewide/MPO performance trends | web report | cite edition year + measure |
| Florida Transit Information System (FTIS) | GTFS, transit GIS, NTD ridership | GTFS/GIS/query | check registration terms; GTFS drops into GIS |
| Florida Geographic Data Library (FGDL) | 600+ layers incl. historical vintages | shp/viewer | republished — FGDL copy can lag source agency |
| Florida Geospatial Open Data Portal (Florida GIO) | cross-agency layers (imagery, elevation, boundaries) | REST/shp | note owning agency + vintage per item |
| LEHD OnTheMap | job flows O-D, trip distribution checks | web/CSV | modeled, not counted |
| County GIS portals | parcels, centerlines, signals, sidewalks | REST/shp | schema differs per county — note per agency in 03 Agencies |
| Census / ACS | population, commuting (means, times) | data.census.gov API | margins of error on small geos |
| OpenStreetMap / Overpass | networks, features (your stop-sign pulls) | OSM/JSON | community data — screening only |
| NHTSA FARS | fatal-crash national details | query/CSV | fatal-only; FL cases cross-check S4A |
| GIS and Google Earth | desk field review, historical imagery | — | imagery dates! cite them on figures |
| Agency dashboards (Vision Zero, crash, calming pages) | context, HIN, program status | web | screenshots dated; methodology varies |
| Public study examples (agency project pages) | comp studies, accepted formats | class-4 sources — style guide, not authority |
Data ethics line
Crash records contain personal data — minimum necessary, secure handling, nothing identifying in deliverables.