Japan

Turn restriction (only_right_turn) 12982281 lacks 'to' way

Turn restriction (only_right_turn) 12687405 (at https://www.openstreetmap.org/?mlat=34.923771&mlon=136.972542&zoom=17) check: 'via' way(s) are used in only_right_turn restriction

Turn restriction (no_u_turn) 6930752 lacks 'from' way

Turn restriction (no_u_turn) 6930752 lacks 'to' way

Turn restriction (no_u_turn) 12438209 (at https://www.openstreetmap.org/?mlat=34.927968&mlon=137.186253&zoom=17) lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=34.928252&mlon=137.186306&zoom=17, why don't you add it to the OSM data?)

Turn restriction (no_u_turn) 144692242 ) ways connect in more than one place

Turn restriction (only_straight_on) 12091899 (at https://www.openstreetmap.org/?mlat=34.858596&mlon=136.414081&zoom=17) check: 'via' way(s) are used in only_straight_on restriction

Turn restriction (only_straight_on) 12091903 lacks 'to' way