Traffic Data

Published by data.iowa.gov | State of Iowa | Metadata Last Checked: January 31, 2026 | Last Modified: 2026-01-29

Live traffic data from Roadway Weather Information System (RWIS) sites in Iowa. Any field of NA or 9999 describes an invalid value being sent from sensor and was excluded for this REST service. This data gets updated every 5 minutes.

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Complete Metadata

identifier	https://data.iowa.gov/api/views/teyv-vgqh
issued	2020-08-03
landingPage	https://data.iowa.gov/d/teyv-vgqh
theme	[ "Transportation Operations" ]