jon, So how was Marseille-Nice-Ventimiglia-Genova solved?
SNCF and PACA re-timetabled trains between Nice and Ventimiglia, and now it works
Explained here: https://crossborderrail.trainsforeurope.eu/3-of-the-crossborderrail-top-20-projects-now-solved/
Yes, that's right. No new trains. No more trains. No money needed. Just a simple decision to alter a timetable, and bingo, it works. #CrossBorderRail