The train services operating on the route from Santo Tirso to Coimbra include the Intercity and Regional trains provided by Comboios de Portugal. The Intercity train is the faster option, traveling at speeds of up to 140 km/h (87 mph) and completing the journey in approximately 2 hours and 30 minutes. It makes fewer stops, which helps reduce travel time significantly. Meanwhile, the Regional train tends to have a slower average speed, around 100 km/h (62 mph), and stops at more stations, including towns along the route, resulting in a travel time of about 3 hours and 30 minutes.
Both trains feature standard seating and provide basic amenities, catering to different travel needs. The Intercity service is the preferred choice for those prioritizing speed, while the Regional train allows for a more scenic trip, offering passengers the chance to explore smaller towns before reaching Coimbra.