Lévis, Quebec, implement s emergency vehicle pre-emption

Global Traffic Technologies (GTT) has provided the city of Lévis, Quebec, with its latest Opticom traffic pre-emption solution, which has been deployed at 28 intersections and on 19 emergency vehicles. Opticom emergency vehicle pre-emption (EVP) technology works alongside intersection controllers to help ensure emergency vehicles can move through intersections quickly and safely. When an emergency vehicle needs to navigate an intersection, the Opticom EVP system onboard the emergency vehicle sends a request
July 26, 2017 Read time: 1 min
542 Global Traffic Technologies (GTT) has provided the city of Lévis, Quebec, with its latest Opticom traffic pre-emption solution, which has been deployed at 28 intersections and on 19 emergency vehicles.


Opticom emergency vehicle pre-emption (EVP) technology works alongside intersection controllers to help ensure emergency vehicles can move through intersections quickly and safely.

When an emergency vehicle needs to navigate an intersection, the Opticom EVP system onboard the emergency vehicle sends a request to the intersection’s controller ahead of its arrival. If the request is granted, the light turns green and the vehicle gets a clear path through the intersection.

Urban Traffic Control

For more information on companies in this article

Related Content

  • Need for secure approach to connected vehicle technology
    January 7, 2013
    Accidental or malicious issue of false messages to connected vehicles could result in dire consequences, so secure systems of authentication and certification are likely to be necessary, write Paul Avery and Sandra Dykes. Connectivity among vehicles in urban traffic systems will provide opportunity for beneficial impacts such as congestion reduction and greater safety. However, it also creates security risks with the potential for targeted disruption. Security algorithms, protocols and procedures must take
    Read More
  • Swarco and Audi talking to traffic lights
    November 29, 2013
    A partnership between premium car manufacturer Audi and the international traffic technology group Swarco recently demonstrated their achievements in vehicle-to-infrastructure (V2I) communication as part of the European Compass4D project. The demonstration in the Italian city of Verona involved connecting the city's traffic management system, which is based on Swarco's Omnia platform, with Audi's onboard navigation system. By comparing its current position, speed and driving direction, the vehicle re
    Read More
  • MIT researchers hack into traffic lights
    August 22, 2014
    With permission from a local road agency, researchers in from the University of Michigan hacked into nearly 100 wirelessly networked traffic lights, highlighting security issues that they say are likely to pervade networked traffic infrastructure around the country. More than 40 states currently use such systems to keep traffic flowing as efficiently as possible, helping to reduce emissions and delays. The team, led by University of Michigan computer scientist J. Alex Halderman, found three major weaknes
    Read More
  • Traffic Technology Services snapped up by Miovision
    March 5, 2024
    V2X tech specialist TTS gets insights from 80,000 signalised intersections at present
    Read More

Highlighted Content