Each map has numerous camps, which serve as fast travel points to ensure you can move around the map quickly. (digitaltrends.com)
But, alas; outside of some sparse Fast Travel points on the map, most of my travels took place on foot, which made for slow going. (tomsguide.com)
Traveling the maps can be done through driving a somewhat always available car or players can fast travel to unlocked fast travel points in the map. (playstationlifestyle.net)