Data Sources

The following primary data sources are used by Portal:

Source	Data	Agency	Resolution	Notes
Freeway	Speed, volume, occupancy, VMT, VHT, travel time, delay	ODOT	20 sec, 5 min, 15 min, 1 hour, 1 day	Data used and available on Travel Time, Highways, Stations, and Downloads pages in Portal. Ramp data is also included.
Freeway	TOCS Incident Data	ODOT	N/A	Data available upon request.
Freeway	VMS, VAS	ODOT	1 min	Data Available upon request.
Vehicle Length	Volume per vehicle length bin	ODOT	15 min, 1 hour, 1 day	Data used and available on Vehicle Length and Downloads pages in PORTAL
Travel Time	Travel time, reliability, sample count	City of Portland, ODOT, Washington County	20 sec, 5 min, 15 min, 1 hour, 1 day	Data used and available on Travel Time and Downloads pages in Portal
Transit	Quarterly Cleaned Ridership, On-Time Performance	TriMet	Quarterly	Data available on Downloads page
Arterial	Traffic Signal Data, Including System Detector Counts (TransCore Data)	City of Portland	5 min, 15 min, 1 hour, 1 day	Data available on Arterial Page
Arterial	Bike Counts	City of Portland	5 min, 15 min, 1 hour, 1 day	Data available on Arterial page.
Weather	Wind Speed, Temperature, Humidity, Precipitation, Visibility	NOAA	1 hour	Data available on Stations page.

The following data sources may be added in the future:

Source	Data	Agency
Arterial	ATSPM	City of Portland

Last Updated: 2020-07-07