The train service from Lisboa to Ermidas - Sado primarily operates through the regional train network, specifically utilizing Comboios de Portugal (CP) trains. The most applicable service for this route is the Intercidades train, which offers a reliable journey with a maximum speed of approximately 130 km/h (81 mph). Although this isn't categorized as a high-speed service like the ones found in other countries, it connects these two locations efficiently.
Travelers can expect the journey to take around 1 hour and 40 minutes, with stops at major hubs along the way, including Setúbal and Barreiro. The trains offer standard seating arrangements, providing a reasonable level of comfort for passengers.
For those interested in experiencing regional landscapes and small towns, this route offers the opportunity to witness the scenic countryside before arriving in Ermidas - Sado. The Intercidades service is well-patronized and accommodates both daily commuters and tourists alike.