Initially, Google Maps relied on traffic sensors and cameras installed by government agencies, which used laser radar or active infrared technology to measure traffic speed. This method is now obsolete.

Traffic jams are a major nuisance, but proactive planning and modern tools like Google Maps can help avoid them. Google Maps is the most popular web-based application for real-time traffic updates and predictions.

Google Maps is a powerful app that not only provides GPS navigation but also recommends the quickest routes and offers real-time traffic updates and predictions using a smart algorithm.

Google Maps now uses crowdsourcing, a sophisticated and reliable technique, to collect real-time traffic information. Crowdsourcing involves gathering information from a large number of people, typically via the internet.

Since 2009, Google Maps has used crowdsourcing to enhance traffic accuracy. When your phone's GPS or location is turned on, it anonymously sends data to Google Maps, indicating your car's speed. This collected data from many users is processed and sent back as real-time traffic updates.

Users can opt out of sharing their location data by turning off their phone's location services, but this means they will not be able to view live traffic updates. Google Maps is an incredibly useful app that helps users navigate efficiently and avoid traffic.