Germany, Austria and Switzerland

Turn restriction (only_straight_on) 15887617 check: 'via' way(s) are used in only_straight_on restriction

Turn restriction (only_left_turn) 13218079 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=52.088204&mlon=8.752556&zoom=17, why don't you add it to the OSM data?)

Turn restriction (only_right_turn) 353832866 doesn't start or end at 'via' node or way

Turn restriction (no_left_turn) 15913887 lacks 'from' way

Turn restriction (no_u_turn) 14262381 lacks 'from' way

Turn restriction (no_u_turn) 14262381 lacks 'to' way

Turn restriction (no_right_turn) 14262380 lacks 'from' way

Turn restriction (only_straight_on) 7068837 check: 'via' way(s) are used in only_straight_on restriction