Alfa Pendular (AP) trains are the fastest trains in Portugal, operating at speeds of up to 220 km/h.
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One of the best ways to travel from Lisbon to Porto is by hopping on a high-speed train that'll take you from the Portuguese capital city to its northern gem in as little as two and a half hours.
If you wish to take a high-speed train, you usually have to reserve your seat in advance. By travelling with slower regional trains you do not need to make reservations.
The second-class car features comfortable seats arranged 2x2 with a folding table, generous legroom, and big panoramic windows. Traveling first-class means that you get a wider adjustable seat, plenty of luggage space, power sockets, and a bit quieter atmosphere, compared to the Economy Class.