No, a single Clipper card cannot be used for two people to pay for the same trip simultaneously. In 2026, the Bay Area's "Next-Generation Clipper" system maintains a "one-rider-per-card" policy to ensure accurate fare calculation, particularly on distance-based systems like BART or for transfers between different agencies. Each passenger must have their own physical card or their own digital card in a mobile wallet (Apple Wallet or Google Pay) on a separate device. If you attempt to "pass back" a card to a second person, the reader will likely display an error or "already tagged" message. However, the 2026 Clipper app makes it easier for families by allowing a single account holder to manage multiple registered cards for children or seniors, though each person still requires their own physical or digital token to tap at the gate or on the bus.