四国内に「特急」高速バス新登場 松山市駅～高知駅＝最短2時間10分 高速道ノンストップ！ 伊予鉄
Iyo Railway begins "Limited Express Bus" between Matsuyama-shi and Kochi. Traveling duration is 2 hours and 10 minutes in the shortest case.
https://news.yahoo.co.jp/articles/8e039aa0265883cf9d5a524bcf92935d77651254
It's half duration and half fare of the train. So, train is less competitive. Shikoku High Speed Rail is required to overcome this situation.
