Skip to main content

Virtual traffic lights ‘can reduce commute times’

Researchers at Carnegie Mellon University (CMU) in the US claim to have found a solution to delays caused by traffic signals. They estimate that replacing physical traffic signals with virtual traffic signals could reduce urban commute times by 40 per cent. Electrical and Computer Engineering professor Ozan Tonguz’s research on virtual traffic lights uses connected vehicle technology, enabling vehicles to manage traffic control without infrastructure based traffic lights. Using the technology, virtua
January 16, 2015 Read time: 2 mins
Researchers at Carnegie Mellon University (CMU) in the US claim to have found a solution to delays caused by traffic signals. They estimate that replacing physical traffic signals with virtual traffic signals could reduce urban commute times by 40 per cent.

Electrical and Computer Engineering professor Ozan Tonguz’s research on virtual traffic lights uses connected vehicle technology, enabling vehicles to  manage traffic control without infrastructure based traffic lights.

Using the technology, virtual traffic lights will appear on the driver’s windshield as they approach an intersection. “When the driver is looking through the windshield, they’ll see that going straight is a green light, and turning right is a red light,” Tonguz explains. “It’s a seamless process, the driver does not get involved in this decision making.”  The virtual traffic light will turn off once the driver proceeds through the intersection.

Tonguz claims that virtual traffic lights will do more than lower commuter’s stress levels. He says they’ll mitigate traffic congestion, reduce commute times, decrease the carbon footprint of vehicles, and lead to a greener environment.

Related Content

  • Qualcomm: How Connected Driving Will Reduce Emissions in the EU
    September 14, 2023
    In an era marked by climate change and an urgent need for greener mobility solutions, the advent of connected driving has emerged as a promising frontier in the realm of transportation.
  • Financing the US road infrastructure – road user charging?
    February 2, 2012
    In the US, the National Transportation Infrastructure Financing Commission's report to Congress will state that a national, distance-based charging is the only long-term solution to the country's infrastructure financing problems. The Commission's Chair, Rob Atkinson, talks to ITS International
  • Financing the US road infrastructure – road user charging?
    February 2, 2012
    In the US, the National Transportation Infrastructure Financing Commission's report to Congress will state that a national, distance-based charging is the only long-term solution to the country's infrastructure financing problems. The Commission's Chair, Rob Atkinson, talks to ITS International
  • Deloitte Research releases smart mobility report
    May 20, 2015
    Deloitte's Public Sector Research organisation has released a report titled, Smart Mobility: Reducing congestion and fostering faster, greener, and cheaper transportation options, which indicates that the expansion of alternative modes of transportation could lead to reduced congestion and other benefits, and identified the types of transportation suited to a city or suburb. The study uses geospatial analytics, such as coupling location data with existing government data, to examine the potential conges