I mainly remap roads like tertiary and unclassified all around in the country. And so I found that:
http://keepright.ipax.at/report_map.php?lang=de&ch30=1&ch40=1&ch50=1&ch60=1&ch70=1&ch90=1&ch100=1&ch110=1&ch120=1&ch130=1&ch150=1&ch160=1&ch170=1&ch180=1&ch191=1&ch192=1&ch193=1&ch194=1&ch195=1&ch196=1&ch197=1&ch198=1&ch201=1&ch202=1&ch203=1&ch204=1&ch205=1&ch206=1&ch207=1&ch208=1&ch210=1&ch220=1&ch231=1&ch232=1&ch270=1&ch281=1&ch282=1&ch283=1&ch284=1&ch291=1&ch292=1&ch293=1&ch311=1&ch312=1&ch313=1&ch350=1&ch370=1&ch380=1&ch411=1&ch412=1&ch413=1&number_of_tristate_checkboxes=7&highlight_error_id=0&highlight_schema=0&lat=51.48672&lon=20.35778&zoom=12&show_ign=0&show_tmpign=0&layers=B0T&ch=0%2C30%2C40%2C50%2C70%2C110%2C120%2C130%2C170%2C180%2C191%2C192%2C193%2C194%2C195%2C196%2C197%2C198%2C201%2C202%2C203%2C204%2C205%2C206%2C207%2C208%2C210%2C231%2C232%2C270%2C291%2C292%2C293%2C311%2C312%2C313%2C350%2C370%2C380%2C20%2C300
There are a lot of FIXME-nodes and single nodes without tags mainly as a remain of imported ways from UMP, which could be helpfull to restore them
http://www.openstreetmap.org/?lat=51.5094&lon=20.355&zoom=13&layers=M
The user disagreed the new licence but declared his data as ODbL-compatible:
http://www.openstreetmap.org/user/balrog-kun
May I use the lost nodes to restore ways etc. and what should happen with the FIXME-nodes without any other information?
Regards from Germany