The route from Kobe to Yamaguchi is primarily served by the Sanyo Shinkansen, particularly the Mizuho and Sakura services. The Mizuho train operates at speeds of up to 300 km/h (186 mph), completing the journey in around 1 hour and 10 minutes with limited stops, making it the fastest option available. In contrast, the Sakura service also caters to this route but takes approximately 1 hour and 30 minutes, as it makes more frequent stops at stations such as Himeji and Tokuyama.
Both train types offer a choice of Ordinary and Green class seating, allowing passengers to select their preferred level of comfort during the trip. Onboard amenities include spacious seating, power outlets, and food services, ensuring a pleasant travel experience. For travelers looking for the quickest option, the Mizuho service stands out, while the Sakura suits those wishing to explore additional regional stations between Kobe and Yamaguchi.