One-way tickets are valid for 90 days from travel date. Round-trip tickets are valid for 180 days from the travel date. Same-day tickets must use both the departure and return on the same day of first usage. Commuter passes (10-ride tickets) are valid for 30 days (you pick the day that first use will occur). If you are unsure of the expiration date for any of your tickets, call the Information Center at 1-800-639-8080 (TTY Relay: 711 or 1-800-735-2964). Expired tickets are not eligible for a refund.