810.When leaving the main lane of a freeway or expressway: (A) Turn off at any time. (B) Move to the rightlane first, gradually reduce speed, and exit. (C) Display the right turn signal and exit immediately.

811.While driving at night, if the light projected on the road ahead disappears, it may indicate a broken road,collapsed bridge, or road surface collapse. For safety: (A) Stop and check before proceeding. (B)Continue without concern. (C) Turn off headlights to avoid reflections.