Feel free to travel with dogs and other small pets. Your pet must be on a leash or in a cage/carrier, and must not be placed on the seats. Use one of the carriages in the middle of the train, which are marked with an animals permitted decal. Guide dogs are welcome in all carriages.
More information about travelling with animals is available [here](https://www.arlandaexpress.com/plan-your-journey/travel-with-pets).