Not quite. Review: NC Driver Handbook, Chapter 5 — Traffic Signs: Railroad Crossings.
Correct. Reference: NC Driver Handbook, Chapter 5 — Traffic Signs: Railroad Crossings.
Stop whenever a flagger, signal, or gate indicates an approaching train, and remain stopped until the gate lifts or the signal or flagger indicates it is safe. Reference: NC Driver Handbook, Chapter 5 — Traffic Signs: Railroad Crossings.