Germany, Austria and Switzerland

Turn restriction (no_right_turn) 18044141 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=53.768284&mlon=9.056721&zoom=17, why don't you add it to the OSM data?)

Turn restriction (no_left_turn) 18044142 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=53.768284&mlon=9.056721&zoom=17, why don't you add it to the OSM data?)

Turn restriction (no_u_turn) 12287069 lacks 'to' way

Turn restriction (no_u_turn) 12287069 lacks 'from' way

Turn restriction (only_straight_on) 5794110 lacks 'from' way

Turn restriction (no_u_turn) 1327620384 ) ways connect in more than one place

Turn restriction (only_straight_on) 4649938 check: 'via' way(s) are used in only_straight_on restriction

Turn restriction (only_straight_on) 2912962 lacks 'from' way