d8342d73_pt_API_______Google_Developers__Type
[Properties] legs [Description] An array of DirectionsLegs, each of which contains information about the steps of which it is composed. There will be one leg for each waypoint or destination specified. So a route with no waypoints will contain one DirectionsLeg and a route with one waypoint will contain two. [Type] 
Array
L a t L n g B o u n d s
s t r i n g
T r a n s i t F a r e
A r r a y
Google Maps JavaScript API V3 Reference   |   Google Maps JavaScript API   |   Google Developers