I came by that intersection again, and i saw more hoarding was removed. now it's possible and clear, that the new foot+cycle path will go from
https://www.openstreetmap.org/way/472604246
and over the street at
https://www.openstreetmap.org/way/1341853334
until https://www.openstreetmap.org/way/782473326

also now the grass has been planted, so i removed construction-tag.