Germany, Austria and Switzerland

Turn restriction (only_straight_on) 16941252 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=50.669211&mlon=10.113949&zoom=17, why don't you add it to the OSM data?)

Turn restriction (only_straight_on) 4164005 lacks 'to' way

Turn restriction (no_u_turn) 1119623262 ) ways connect in more than one place

Turn restriction (only_straight_on) 4164004 lacks 'from' way

Turn restriction (no_left_turn) 7214692 lacks 'to' way

Turn restriction (only_straight_on) 3920230 lacks 'from' way

Turn restriction (only_straight_on) 15487363 lacks 'from' way

Turn restriction (only_straight_on) 18281817 check: 'via' way(s) are used in only_straight_on restriction