Surtrac Smart Traffic Signals

Using Artificial Intelligence to Reimagine Traffic Control

Surtrac - Real-time Adaptive Traffic Signal Control

  • Real-time Response to Actual Traffic
    Surtrac optimizes every second based on actual traffic flows

  • Decentralized & Inherently Scalable
    Surtrac is decentralized and scalable to networks of any size & shape

  • Optimized for Complex Grids, Not Just Corridors
    While Surtrac is capable of handling suburban corridors with a single dominant flow, it really shines when optimizing more complex grid networks with multiple competing flows that change throughout the day

  • Multi-modal Optimization
    With advanced sensing, Surtrac can integrate vehicle, pedestrian, bus, and bicycle traffic flows according to pre-specified priorities
Surtrac Details 
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Surtrac

Intelligent Traffic Signal Control

Surtrac is the most advanced traffic signal control system on the market today. Using patented technology developed in the Robotics Institute and Traffic21 Labs at Carnegie Mellon University, Surtrac combines cutting-edge research in artificial intelligence and traffic theory.

  • Travel Time
    Get people to their destinations 25% faster by eliminating stops, reducing wait time, and increasing travel speeds.
  • Delay
    Spend over 40% less time waiting at intersections.
  • Stops
    Make 30-40% fewer stops, decreasing wear on the road and tires and resulting in a cost savings for drivers and cities.
  • Emissions
    Produce 20% fewer harmful emissions and improve air quality by reducing stops and idling.
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Routecast

Routecast is a communication solution that allows multi-modal travelers to share their route information in real-time with Surtrac-enabled intersections using either a smartphone or connected vehicle technology. This route information allows Surtrac to unlock additional improvement in delay, emissions, and safety, on top of what Surtrac achieves using a passive detection system. Because Routecast works at very low adoption rates, and improves traffic control further as more people use it, even for those who aren’t participating, it is an equitable solution that benefits everyone. Routecast can work for any type of traveler, including pedestrians, cars, transit, bicyclists, and freight.

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  1. Sense vehicles, pedestrians, bikes, and transit to build a real-time model of travelers and where they are headed
  2. Plan how to best move travelers through the intersection by optimizing over the model second-by-second
  3. Communicate with neighboring intersections to coordinate traffic flow in real-time
  4. Act to control the state of the traffic signals at the intersection
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