Possible modes and optimization of traffic light operation at a two-lane city intersection

One of the urgent problems of optimizing the city’s transport system is the problem of the operating mode of traffic lights at city intersections. The paper presents a solution to the problem of a traffic light operating in a two-phase mode – when one of the lanes is green and the other is red. The presented method is based on the well-known Lighthill–Whitham condition. The consideration of twolane intersections along each of the two lanes is due to the fact that such intersections make up a significant part of the city’s intersection system; the problem can be solved after measuring the main parameters of vehicle movement through the intersection during the period of greatest load.