The train service between Shiroishi and Morioka is primarily served by the Tohoku Line, which features both local and limited express trains. The Hayabusa Shinkansen offers a faster option, achieving speeds of up to 320 km/h (199 mph) and completing the journey in approximately 1 hour and 10 minutes, making limited stops at major stations like Sendai. Alternatively, local trains on the Tohoku Line take around 1 hour and 45 minutes, with more frequent stops, offering a chance to explore smaller towns along the way.
Both options provide seating choices ranging from Standard to Green Class, ensuring comfort for all travelers. The Hayabusa is preferable for those needing swift transit, while the local trains cater to passengers interested in a more scenic and leisurely journey.