In many episodes detectives track somebody by using the entrance/exit information from their MetroCards. In NYC the card is only swept once at the entrance but not on the exit (except on Staten Island where card is swept at the exit only), so the person can travel almost the entire subway system with only the entrance recorded. Exit swipes are in use in Washington, DC and San Francisco's BART where zonal fares are in use.
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05/03/2025 alle ore 09:36