Smart Technologies for Traffic

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Smart technologies for traffic are a delicately integrated network of processes that help transport workers, drivers, and commuters to manage the flow and efficiency of traffic. Using advanced IoT equipment, sensors routers, cellular technology and sensors intelligent traffic systems are able to automatically adjust control mechanisms such as traffic lights, freeway on-ramp meters, bus rapid transit lanes highway message boards, and even speed limits. They also can forecast technologytraffic.com/ changes in traffic demand, and provide real-time information for road users.

An excellent example is the adaptive traffic signal system in Pittsburgh. When Carnegie Mellon University (CMU) professor Stephen Smith installed his first few traffic signals that were experimental in the heavily congested area of the city’s East Liberty, he saw immediate results. Drivers drove 25 percent further and spent 40 percent less time in traffic jams than they had before.

The system is able to collect data from sensors that monitor traffic and adjust their timing on-the-fly. It also detects pedestrians in intersections and gives them enough time to safely cross the street. The sensors send their raw data to an centralized hub, which is then processed by artificial intelligence. It is then sent back to the intersections via 5G-enabled cell networks.

These systems are also able to allow for better, more precise modeling of risk-minimizing scenarios that a human traffic supervisor would not be able to achieve – all in real-time. This is an important step towards Vision Zero, a goal of safe driving where motorists and pedestrians share the road without collisions.