Germany, Austria and Switzerland

Turn restriction (no_right_turn) 1533400 lacks 'from' way

Turn restriction (no_u_turn) 13562859 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=48.829794&mlon=9.314831&zoom=17, why don't you add it to the OSM data?)

Turn restriction (no_left_turn) 10957775 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=48.741435&mlon=9.327536&zoom=17, why don't you add it to the OSM data?)

Turn restriction (only_straight_on) 6034505 lacks 'to' way

Turn restriction (no_u_turn) 4520753 ) ways connect in more than one place

Turn restriction (only_straight_on) 5159690 lacks 'from' way

Turn restriction (no_left_turn) 15601819 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=52.832327&mlon=8.033483&zoom=17, why don't you add it to the OSM data?)

Turn restriction (no_left_turn) 7941593 lacks 'to' way