Home › CFR › Title 49 › Part 27349 CFR Part 273 — Metrics and Minimum Standards for Intercity Passenger Train Operations§ 273.1— Purpose.§ 273.3— Definitions.§ 273.5— On-time performance and train delays.§ 273.7— Customer service.§ 273.9— Financial.§ 273.11— Public benefits.