Japan

Turn restriction (no_u_turn) 16102949 lacks 'from' way

Turn restriction (no_u_turn) 180618634) ways don't connect

Turn restriction (only_straight_on) 10422848 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=35.373019&mlon=137.156384&zoom=17, why don't you add it to the OSM data?)

Turn restriction (only_straight_on) 10422849 lacks 'from' way

Turn restriction (no_u_turn) 186247664 ) ways connect in more than one place

Turn restriction (only_straight_on) 18795134 lacks 'to' way

Turn restriction (only_straight_on) 18795130 lacks 'to' way

Turn restriction (only_straight_on) 18795128 lacks 'to' way