Recency: green = just swept, red = past cycle. Overdue and never-swept routes are dashed.

Red end of the ramp. Anything older counts as Overdue.

Switch to Streets or Satellite to check whether the route lines sit on the actual pavement.

Thin the lines down to 1–2 px to see the road underneath.

Marks every vertex, and highlights straight chords longer than 0.35 mi in cyan — those are where a simplified line leaves the roadway.