The train service between Porto Campanha and Estarreja is primarily served by the intercity Alfa Pendular trains. This high-speed train operates at speeds ranging from 160 to 220 km/h (99 to 137 mph), making it the fastest option for this route. The journey typically takes around 45 minutes, providing direct links between major cities in Portugal while stopping at strategic stations, including Aveiro. There are also regional services available, which may take longer due to more frequent stops, ensuring access to smaller towns along the coasts and interior of Portugal. The Alfa Pendular offers comfortable seating and onboard refreshments, making it an excellent choice for both business and leisure travelers. For those wishing to explore further, the intercity service provides a reliable connection between Porto and various destinations across the region.