Germany, Austria and Switzerland

Turn restriction (no_right_turn) 3111935 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=48.720347&mlon=9.303342&zoom=17, why don't you add it to the OSM data?)

Turn restriction (only_straight_on) 1239476 lacks 'from' way

Turn restriction (no_u_turn) 23271778 ) ways connect in more than one place

Turn restriction (no_straight_on) 18311924 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=48.611321&mlon=9.332954&zoom=17, why don't you add it to the OSM data?)

Turn restriction (only_right_turn) 11184709 lacks 'from' way

Turn restriction (only_left_turn) 18419842 check: 'via' way(s) are used in only_left_turn restriction

Turn restriction (no_right_turn) 8502520 is not a way but it should be

Turn restriction (only_right_turn) 18342983 lacks 'from' way