The train services operating between Espinho and Caminha primarily include the regional Alfa Pendular and Intercidade trains. The Alfa Pendular is known for its speed and comfort, reaching speeds of up to 220 km/h (137 mph) on certain segments, and typically makes the journey in approximately 3 hours, with a few stops in major towns such as Aveiro and Porto along the way. In contrast, the Intercidade train service takes about 3 hours and 30 minutes, making more frequent stops, which might be preferable for travelers wanting to explore more towns on their journey.
Both services offer standard seating and some onboard facilities such as restrooms and snack services. The Alfa Pendular offers a slight edge in travel time and comfort, making it a suitable choice for passengers prioritizing efficiency. However, Intercidade provides a more leisurely travel experience for those taking in the scenic views along the route, with stops at historical towns.