2 ways overlapping partialy :

https://www.openstreetmap.org/way/1078194445 to keep and split for removing part of tunnels. (and crossing ways)

https://www.openstreetmap.org/way/1078222680 to remove (duplicated way).

Imagery to use : https://data.mobility.brussels/geoserver/bm_network/ows?: - Tunnels

