How it works
This tool helps you practice route planning: clean decisions, minimal extra distance, and no messy detours.
Practice Mode
Draw your route point-by-point.
- Zoom, Fit, Grab
- Undo/Clear (practice)
- Straight guide (optional)
Answer Mode
Compare against the model (shortest) route.
- Overlay model
- Length difference
- Spot deviations
Exam Mode (Paid)
Timed, no hints, no undo, auto-submit.
- Timer + auto submit
- No straight guide
- Answer hidden
Scoring
Your score is based on average deviation from the model route, plus a penalty if your route is longer than the model.
- Similarity (shape)
- Length difference (extra distance)
- History (saved locally)
Note: Training score, not official TfL marking.