On 18.04.2011, MRCE 561-3 / ERSR 6611 was used for testing the Eurobalises on the Iron Rhine (Dutch: IJzeren Rijn) border section between Weert [NL] and Neerpelt [BE]. These balises command ETCS-equipped locomotives to do a transition from ATB [NL] to Memor [B] or vice versa. Thanks to Harald S., we also have some images to illustrate the tests.
This part of the Iron Rhine was reactived some years ago, but it isn't exactly known for a high number of passing trains. Only the part between Budel-Schoot and Neerpelt sees regular freight traffic from/to Nyrstar Budel. On the day of the tests, 6611 was the first train between Budel-Schoot and Weert in three months time. Nowadays, the border section is still hardly used.