DETERMINING ALTERNATIVE ROUTE BY NAVIGATION SYSTEM

Systems and methods for determining alternative navigational routes. An example method may comprise: determining a first route to a destination, the route comprising a plurality of edges of a graph representing a map of navigable paths, wherein each edge represents a path connecting two vertices and each vertex represents at least one of: an endpoint of a path or a junction of two or more paths; and determining a second route to the destination from a point located at least a defined distance from a junction comprised by the first route, along an edge not comprised by the first route.