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These routes may be located within a city or within a green area such as a park. It is not applicable to other parking lots in general.ĭark Green Light:The presence of a pedestrian or cycling route is indicated by a dark green light. White Striped : Some airports parking lots are identified by Striped White. White: For others regular local streets and roads.Yellow: Generally represents highways.In general, if you do not have traffic mode enabled in Google Maps, you will only see two color codes on the map, namely white and yellow. Now let's discuss various road colors used in Google Maps. Google Maps typically provides travelers with an estimate of the road's congestion level, calculated from the current speed and free-flow travel speed, which assists them in better planning their trips and navigating the roads. Google Maps combines all data and generates useful information needed for you with various color lines on the road layer. This method of gathering traffic density we call crowdsourcing as lots of information necessary for the crowd is gathered again from the crowd.Īnd Google Maps has both historical data and live data and results are generated by mixing those results. So like you there might be many of us doing this.Īs a result, Google Maps will have data from a large number of users and this helps Google to generate accurate real-time traffic conditions which Google Maps represents by various colors, turns directions also provides the best alternative paths. In this case, it will say something like " Will access your location." Actually, here Google Maps is asking for permission to access the GPS, which we granted without reading those.įrom then on, your phone sends bits of data to the Google server in regular intervals, such as your location, your destination (latitude and longitude coordinates), speeds, and so on. Colour Vocabulary in English | Useful List of Colors with Colour Images How does Google collect those data?Īctually, when we first use Google Maps, it will ask us to agree to some terms and conditions, which we will accept without reading.