Looks like these track have been put into service.
https://www.linkedin.com/posts/infrabel_mondaymotivation-activity-7340287879899701248-AKsS?utm_source=share&utm_medium=member_desktop&rcm=ACoAACwaJdwBRii5P4CuFqWCDcCScsQMM8KSnE8

I added some benches, and moved one. They're added but the icon does not show up (1x isn't moved along). Any help appreciated.

Start: For both tracks, change etcs yes to etcs L1

start: change ETCS L2, to ETCS L1

End: Change etcs yes to etcs L1

Continuation of ETCS L1 LS southbound:
https://www.linkedin.com/posts/joeri-minne-7198902_infrabel-masterplanetcs-dedication-activity-7307019604994781185-ksgm

start etcs l1 northbound
https://www.linkedin.com/posts/joeri-minne-7198902_masterplanetcs-infrabel-safetyfirst-activity-7297171857827315712-FN07

A few track segments from here until Kasteel de Biest are tagged with ETCS L1. No ETCS there yet.

ETCS markerboard at pin.