d8342d73_pt_API_______Google_Developers__Type
[Properties] overview_path [Description] An array of LatLngs representing the entire course of this route. The path is simplified in order to make it suitable in contexts where a small number of vertices is required (such as Static Maps API URLs). [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