Germany, Austria and Switzerland

Turn restriction (only_straight_on) 14932051 check: 'via' way(s) are used in only_straight_on restriction

Turn restriction (only_right_turn) 11184709 lacks 'from' way

Turn restriction (no_straight_on) 17782198 lacks 'to' way

Turn restriction (only_right_turn) 1460786 lacks 'from' way

Turn restriction (no_u_turn) 316612113 ) ways connect in more than one place

Turn restriction (no_straight_on) 18452450 lacks 'via' node (guessing it should be at https://www.openstreetmap.org/?mlat=48.816241&mlon=12.974518&zoom=17, why don't you add it to the OSM data?)

Turn restriction (no_u_turn) 6246296 lacks 'from' way

Turn restriction (only_straight_on) 10588739 lacks 'to' way