For example, by the company Global Traffic Network. Many areas have helicopters to overfly accident scenes and other areas of high traffic volume.This enables real-time information gathering of the latest accident reports to highway patrol divisions. Some radio stations have agreements with states' highway patrol that permit a direct connection with a law enforcement computer. TomTom Traffic uses crowd-sourced data from mobile phone users, along with data from traditional sources such as induction loops and traffic cameras.Its subsidiary, Waze, also allows users to report directly via a smartphone app. By calculating the speed of users along a stretch of road, Google is able to generate a live traffic map. Google Traffic works by crowdsourcing the GPS information from phone users.INRIX uses its network of over 175 million vehicles and devices to gather speed data from mobile phones, trucks, delivery vans, and other fleet vehicles equipped with GPS locator devices including smart phones and Ford SYNC and Toyota Entune and much of Europe, South America, and Africa.
There are several methods in use today to gather traffic speed and incident info, ranging from professional reporters, to GPS crowdsourcing to combinations of both methods. In addition to periodic broadcast reports, traffic information can be transmitted to GPS units, smartphones, and personal computers. Traffic reports, especially in cities, may also report on major delays to mass transit that does not necessarily involve roads.
Live traffic jams drivers#
The reports help drivers anticipate and avoid traffic problems. Traffic reporting is the near real-time distribution of information about road conditions such as traffic congestion, detours, and traffic collisions.
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