Data generated by Axis Communications cameras provides unprecedented insight into traffic congestion patterns

Vanderbilt University and Axis Communications are proud to announce the details of a groundbreaking research testbed, known as I-24 Mobility Technology Interstate Observation Network, or I-24 MOTION, that is considered one of the world’s largest open-road traffic observatories and testbeds. In conjunction with the Tennessee Department of Transportation (TDOT), Vanderbilt University deployed a first-of-its kind testbed along a four-mile stretch of Interstate 24 in the Nashville-Davidson County Metropolitan area in 2022. The research uses data captured by Axis Communications video cameras from this real-world freeway environment in order to understand traffic congestion patterns and vehicle behavior. This data is captured anonymously, using AI trajectory algorithms specially develop by Vanderbilt University.

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I-24 Mobility Technology Interstate Observation Network, or I-24 MOTION, uses Axis Communications cameras to capture data and gain unprecedented insight into traffic congestion patterns. (Photo: Business Wire)

“It’s not your traditional use of video cameras,” states Dr. Will Barbour, Research Scientist at Vanderbilt University focusing on the I-24 MOTION project. “We’re assembling thousands of anonymized points of data on the path of each vehicle through the testbed. We’re analyzing how vehicles interact with each other, hold following distances, and change lanes. We’re analyzing how traffic waves propagate through the roadways and how congestion forms and dissipates over time.”

To gain this level of insight, Vanderbilt University mounted a total of 294 Axis PTZ cameras on 43 poles, ranging between 110 and 135 feet tall, equipped with MG SQUARED camera lowering devices. Grouped in clusters of six along the highway and clusters of 12 at the on/off ramps, the cameras capture the time and space trajectory of every vehicle on the road. Moreover, to understand vehicle-to-vehicle interactions at a microscopic level, the study broadly categorizes vehicles – such as pickups and semi-trucks, vans, motorcycles, and cars – to assess how their driving dynamics influence the traffic stream.

With an unprecedented level of detail into freeway traffic patterns, this research will be used to understand how and why phantom traffic jams, or stop-and-go traffic with no obvious cause, occur. Additionally, by unlocking a new understanding of how individual vehicles influence traffic, vehicle and infrastructure design alike can be optimized in the future to reduce traffic concerns and to improve safety, air quality, and fuel efficiency. Anyone from academia to state DOTs to private companies will be welcome to run tests like this on the open road environment of I-24 MOTION.

“Axis Communications’ collaboration with Vanderbilt University demonstrates how innovative, emerging applications of enhanced video can be used to solve for real-life problems and provide value beyond traditional security use cases,” said Anthony Incorvati, the Transportation Segment Manager for Axis. “This pioneering research initiative pushes the boundaries of computer vision and what AI, analytics and security technologies can achieve. The accuracy and granularity of the insights and data that are being collected will have a global impact to advance the future of mobility.”

The I-24 MOTION research initiative from Vanderbilt University’s Department of Civil and Environmental Engineering was made possible by a grant from the Federal Highway Administration Congestion Mitigation and Air Quality Improvement Program. Currently, there is no expiration date planned for the project since it continues to help transportation scientists and other interested parties unlock the mysteries of freeway tie ups and their impact on motorist behavior, air quality and roadway safety.

Read more about this noteworthy research initiative and partnership here: https://www.axis.com/en-us/customer-story/vu-tdot-q60-traffic

About Axis Communications

Axis enables a smarter and safer world by creating solutions for improving security and business performance. As a network technology company and industry leader, Axis offers solutions in video surveillance, access control, intercom, and audio systems. They are enhanced by intelligent analytics applications and supported by high-quality training. Axis has around 4,000 dedicated employees in over 50 countries and collaborates with technology and system integration partners worldwide to deliver customer solutions. Axis was founded in 1984, and the headquarters are in Lund, Sweden​. For more information about Axis, please visit our website www.axis.com.

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