open-traffic-datasets

Dataset Overview

1. Caltrans Performance Measurement System (PeMS)

• Description: A software tool designed for Caltrans that centralizes real‑time traffic data, making dispersed regional and departmental data easily accessible.
• Data Type: Real‑time traffic data.

2. Seattle Inductive Loop Detector Dataset V.1 (2015)

• Description: Data collected by inductive loop detectors installed on Seattle freeways (I‑5, I‑405, I‑90, SR‑520), providing spatiotemporal speed information.
• Data Type: Spatiotemporal speed data.
• Temporal Resolution: 5 minutes.

3. OpenITS: OpenData

• Description: Establishes standards for describing, sharing, and applying multi‑source heterogeneous traffic big‑data, offering open data sharing services.
• Data Type: Multi‑source heterogeneous traffic big data.

4. FHWA

• Description: State highway agencies collect traffic count data via temporary and continuous projects and report continuous counts monthly to FHWA.
• Data Type: Traffic count data.

5. MnDOT traffic data

• Description: Provided by Dr. Taek M. Kwon of MnDOT's regional traffic management center, data are collected from over 4,500 loop detectors at 30‑second intervals, covering the Twin Cities metropolitan area.
• Data Type: Real‑time traffic data.
• Collection Interval: 30 seconds.