Editing Automotive navigation system (section)

===Real-time data===
{{Main|Integration of traffic data with navigation systems}}
Some systems can receive and display information on [[traffic congestion map|traffic congestion]] using either [[Traffic Message Channel|TMC]], [[Radio Data System|RDS]], or by GPRS/3G data transmission via mobile phones.

In practice, Google has updated Google Maps for Android and iOS to alert users when a faster route becomes available in 2014. This change helps integrate real-time data with information about the more distant parts of a route.<ref>{{Cite news|url=https://www.washingtonpost.com/national/health-science/how-mapping-software-gathers-and-uses-traffic-information-the-key-element-is-you/2014/02/14/693606d4-9263-11e3-b46a-5a3d0d2130da_story.html|title=How mapping software gathers and uses traffic information. The key element is you.|last=Palmer|first=Brian|date=2014-02-17|newspaper=Washington Post|url-access=subscription|access-date=2019-10-08|language=en-US|issn=0190-8286}}</ref>