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Traffic Signal Change and Clearance Interval Pooled Fund Study Utah BSM Trajectories

Published by Federal Highway Administration | Department of Transportation | Catalog Last Checked: August 02, 2026 at 11:26 PM | Dataset Last Updated: July 24, 2026
This dataset contains timestamped Basic Safety Messages (BSMs) collected from connected vehicles operating in Utah from vendor PANASONIC as part of the ITS JPO's Traffic Signal Change and Clearance Interval Pooled Fund Study. The data includes GPS location, speed, heading, accelerations, and brake status at 10 Hz frequency. These BSMs were transmitted from vehicles equipped with aftermarket onboard units (OBUs) and have been anonymized. The dataset supports research related to vehicle kinematics during signal change intervals and interactions with traffic signal states.

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