Does anyone have any information on why the TET Corsica route is all road?

At Palermo..boardig ferry to Cagliari in the morning….starting TET Sardigna on Monday

Hi, start TET Sardinia, im leaving Livorno 26.04, back Livorno 04.05

https://www.drivemodedashboard.com/groups/sardinia-tet-04-2025/

Starting TET Greece next week

Hello everyone. Alaskan here. Completed North to South in the Americas that took way too long. Headed back North in most random route possible. Excited to start using the DMD and not the Garmin junk. Anyone on here in South America right now? In southern Chile.