Technically, there is no official New York City transit law or MTA rule that strictly prohibits eating or drinking while on the subway. Unlike systems in Washington D.C. or Singapore, where food is explicitly banned to maintain cleanliness, the NYC subway allows it. However, the MTA does have a "no littering" policy and strongly discourages consuming messy, odorous, or "spill-prone" foods for the comfort of fellow passengers. In 2026, the etiquette is largely "do it discreetly." While you won't get a ticket for eating a granola bar or a slice of pizza, you are expected to take your trash with you. Drinking alcohol is strictly prohibited, and open containers of hot coffee are risky during sudden stops. The unofficial rule remains: if it smells strong or makes a mess, wait until you reach the street to avoid the "stares" of a crowded morning commute.