DART Rail Institute Definitions Practice Exam 2026 – Complete Test Prep

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What constitutes revenue service?

Movement of trains or equipment without passengers for maintenance, repositioning, or test purposes

The time a train remains at a station

The official timetable

Trains operating with paying passengers and collecting fare revenue

Revenue service means trains are actually operating to serve paying customers and generating fare revenue. It’s the period when the system is in regular service and collecting money from riders. The description that fits this best is trains operating with paying passengers and collecting fare revenue. Movements without passengers for maintenance, repositioning, or testing don’t generate revenue, so they’re non-revenue service. The timetable or a train sitting at a station aren’t themselves revenue-generating actions—they’re part of scheduled activity or dwell time, not the act of earning fare.