Amtrak's new Siemens-built Airo trains launch passenger service on the Pacific Northwest Cascades corridor.

Amtrak’s new Siemens-built Airo trains are set to begin passenger service on the Cascades corridor on September 30, making the Pacific Northwest the first region to use the next-generation fleet. Two trainsets will initially operate daily trips between Vancouver, British Columbia, Seattle, Portland and Eugene, while a third remains in reserve; the full Cascades fleet is expected to be phased in later. The trains add seating capacity and passenger amenities, including larger windows, updated seats, onboard power and USB ports, improved Wi-Fi, expanded accessibility features and a redesigned café. Preview rides and public tours drew strong interest, with tour reservations filling quickly. Despite the upgrades, existing rail infrastructure limits speeds in the region, and the launch does not initially add round trips.
The first Cascades Airo trainsets are scheduled to run four daily trips on Sept. 30, with one operating Seattle–Vancouver, B.C., and the other Seattle–Eugene; the service launch does not add round trips.
The Cascades trains are the first of Amtrak’s Airo fleet to be built and have a custom evergreen, cream and mocha livery inspired by the region; later Airo trains will use Amtrak’s national red, white and blue branding.
The onboard accessibility and passenger-information upgrades include automated steps, enhanced wayfinding, six spacious restrooms with touchless controls, and digital displays showing information such as destinations and available seats.
Amtrak’s Airo program is a $7.3 billion nationwide fleet refresh. The Cascades trains pair Siemens Charger locomotives with Siemens Venture passenger cars, customized for the region.
Eight Airo trainsets are ultimately planned for the Cascades corridor, but the full fleet is not expected to be in operation until January, with broader rollout continuing into early 2027.
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