Thanks for this feedback Willy.
A demo by the Kurviger app.
https://youtu.be/UgcEw2YSTus
Part 1: By the online GH engine.
Generates and supports U-turns.
Find and locate unexpected U-turns in the instruction list.
Remove trackglitch by removing the associated Planner Point.
Part 2: By the offline BRouter engine.
Does not generate U-turns. Locate trackglitches ONLY by map inspection.