Research

Space-time diagram credit to Gloudemans et al. (2023)

I-24 MOTION testbed

Testbed for traffic management and automated vehicle technologies located on 4 miles of Interstate 24 in Middle Tennessee (near Nashville).

The I-24 Mobility Technology Interstate Observation Network (MOTION) is a four-mile section of I-24 in the Nashville-Davidson County Metropolitan area with 276 ultra-high definition cameras. Those images are converted into a digital model of how every vehicle behaves with unparalleled detail.

I-24 MOTION released data and toolbox

INCEPTION v1.0.0 (our first trajectory dataset)
INCEPTION VT v1.0 (data with toolbox)
Wave analysis tools (paper)

WaveX dataset

I-24 MOTION unlock the potential of traffic science and opportunites for AI

Leslie C. Edie, Robert Herman, Robert E. Chandler, Denos Gazis, Elliott W. Montroll, Refrey B. Potts, and Richard W. Rothery opened up this direction since 1956.

Field experiments to smooth traffic

The I-24 MOTION testbed has offered opportunities to evaluate various ITS and CAV technologies for traffic smoothing. Since the launch of the testbed, I've been involved in several impactful experiments, including:

CIRCLES Mega Vanderbilt Test (MVT) - November, 2022
VSL deployment, I-24 SMART corridor phase 2 - June, 2023
MiddleWay VSL experiment (lead by Matt Nice) - October, 2023
- Repeatability Evaluation Package (I led the data analysis)
Level 2+ hands-off automated vehicle testing - November, 2024
- Collaboration with European Commission Joint Research Center
Slowdown warning and wave mitigation experiments (Ongoing, 2025)
- Predicting the traffic waves
- Model-based control to mitigate waves

early morning on October 23, 2023 ©Junyi

Field research on traffic measurement

The performance and dynamics of traffic systems can be enhanced by leveraging the integration of various sensing technologies, including camera-based vision systems, radar sensors, LiDAR sensors, and other sensor networks.

If we knew what it was we were doing, it would not be called research, would it? by Albert Einstein.

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