Sirius again in Slovakia

On the PSO line R23 Kolín - Ústí nad Labem, the Sirius EMU has been in test operation with passengers since 5 February 2024, but now it has also appeared on the ŽSR network. However, they are not the same vehicle: the unit running on the line operated by RegioJet in the Czch Republic is the second one produced - 665.002, while in Slovakia 665.001 has appeared, to carry out the ETCS Level 1 and 2 tests on the Bratislava-Rača - Čierne pri Čadci route.

This is the second stay of this class in Slovakia, last May, on the other hand,  665.002 was tested there.