If one auxiliary light fails en route, how may you proceed?

• A. The train may continue at Normal Speed, but the defective auxiliary light must be repaired no later than the next calendar day inspection.
• B. The train must stop until the light is repaired.
• C. The train may continue at Reduced Speed until the next inspection.
• D. The light failure is ignored and no repair is required.

Answer: (A)

A single defective auxiliary light does not force you to stop or slow down—you may continue at normal speed to the next calendar day inspection. The reason this is allowed is that one still-working light keeps the signaling and visibility adequate for safe operation, while the defect is treated as a repair item to be completed by the next scheduled inspection. You should report the defect and have it repaired by that inspection time.

Stopping the train until the light is repaired isn’t required for one failed auxiliary light, and continuing at reduced speed isn’t mandated in this scenario. Ignoring the failure isn’t permitted; the defect must be addressed by the next calendar day inspection.