Your car and a train are different countries to her
In your car she has a known seat or crate, the smells of her own blanket and your family, a driver whose braking and cornering she has learned over hundreds of trips, and the deep knowledge that every journey ends somewhere familiar. A bus or train strips all of that away at once. The floor vibrates differently, the vehicle sways and brakes on a stranger's schedule, doors open onto crowds, and the air carries dozens of unfamiliar people, foods, and other animals. Continuous whining in that setting is a stress report, delivered the only way she can.
Notice what else travels with the whining. Panting with a wide, tense mouth, drooling, restless shifting, ears pinned, or refusal of favorite treats all confirm she is over threshold — too stressed to learn anything in that moment except that public transport is overwhelming.
Continuous whining means the step was too big
Owners often try to fix transport stress with more exposure — taking the full journey repeatedly and hoping she gets used to it. If she whines the whole way, she is not habituating; she is enduring, and endurance can sensitize a dog rather than settle her. The remedy is to slice the experience into pieces small enough that she stays under threshold, where real learning happens.
Begin away from travel entirely: practice calm settling on a mat at home until it is easy. Then visit a stationary setting — sitting together near a bus stop or on a quiet platform, well back, with treats, watching vehicles come and go without boarding. When she can do that relaxed, board for a single stop at the quietest time of day, ride it, and get off to do something pleasant. Short, successful repetitions grow; long, endured ones shrink her confidence.
Practical comforts that genuinely help
Choose her position with care: many dogs do better low, in a footwell or by your feet, where the sway is least and your legs give a boundary, rather than up on a seat watching the carriage move. A familiar blanket carries home scent into the strange place. Time practice journeys after exercise and a toilet break, avoid the press of peak-hour crowds entirely while she is learning, and keep your own manner unhurried — she reads your tension about connections and tickets as information about safety.
If she must make a long journey before training is complete, talk to your veterinarian in advance about how to make that specific trip manageable. And if the whining is new in a dog who previously rode public transport calmly, or comes with appetite or behavior changes elsewhere, that change deserves a veterinary check in its own right, since pain and illness lower every dog's tolerance for stress.
Keep the training steps written down
Gradual programs collapse when each trip is improvised — one handler attempts a long ride too soon and wipes out three weeks of one-stop successes. The ladder of steps, and how she handled each rung, needs to live somewhere everyone can see before they travel with her.
Log the step reached, the time of day, and what helped, after every practice ride. KinsLe Care Teams stores that travel ladder against her care duties, with completed practice steps timestamped, so whoever takes her on a train next starts from her actual last success rather than guessing.