Smart Technologies for Traffic

As congestion in the city is a major issue cities are turning to advanced technologies to improve road safety and reduce wasted energy. This helps to save time for both passengers and drivers as well as reduce emissions and reduce traffic jams.

The technology behind it is built on both software and hardware. The former is the subcomponent that executes, and the second is the command and control center. Both are complemented by advanced sensing and processing technologies such as ANPR (automotive license plate recognition) that records information about vehicles’ movements and is able to detect traffic signs.

Depending on the solution employed, data can be processed on-device by smart traffic lights or sent to a cloud. The latter offers more sophisticated modeling and predictive analysis to stop congestion in traffic and align public transportation schedules. According to Carnegie Mellon University, this could cut travel time by 25 percent, while signal wait times are reduced by 40%, and emissions are reduced by 20%.

A smart traffic light system is not only able to reduce the delays of traffic signals they can also improve the flow of pedestrians as well as of micromobility vehicles such as e-bikes or e-scooters. They are unable to adhere to traditional traffic law regarding preemption of signals. In London, for example the number of crashes involving e-scooters increased by 2,800% in the first second quarter of 2021. so it is important to consider them when determining traffic light controls.

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