| 摘要 |
Device, system, and method of dynamic route guidance. For example, a method includes: calculating an optimal route from a first location, in which a navigation device is located, to a destination point entered by a user of said navigation device; receiving from the navigation device a travel update, indicating that the navigation device is located in a second location, wherein the second location is on said optimal route; and based on real-time traffic information and real-time road information, determining that an alternate route, from the second location to the destination point, is now an optimal route to the destination point.
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