The route from Mihara to Shinagawa is served primarily by the Sanyo Shinkansen line, specifically the Nozomi and Hikari services. The Nozomi train offers the fastest journey, reaching speeds up to 300 km/h (186 mph) and completing the trip in approximately 3 hours and 15 minutes, with limited stops including major hubs such as Hiroshima and Okayama. The Hikari service, while slightly slower, takes around 3 hours and 45 minutes and makes more stops at key locations along the way, enhancing accessibility for passengers traveling to various regional destinations.
Both train types provide a variety of seating options, including Ordinary and Green class, catering to different comfort preferences. Onboard amenities such as reclining seats, power outlets, and refreshments are available, ensuring a relaxed travel experience. The choice between the Nozomi for speed and the Hikari for a more extensive stopover itinerary makes this route adaptable for various travel needs.