The reasons for the drive on sol 4306 are detailed in this mission update https://science.nasa.gov/blog/sols-4304-4006-12-years-42-drill-holes-and-now-1-million-chemcam-shots/
The reasons for the drive on sol 4306 are detailed in this mission update https://science.nasa.gov/blog/sols-4304-4006-12-years-42-drill-holes-and-now-1-million-chemcam-shots/
The public can access the mission map on this URL. It is updated by the mission team after each drive https://mars.nasa.gov/maps/location/?mission=Curiosity