I will take the Shinkansen any day once completed.

Source: https://japantoday.com/category/business/japan-to-postpone-plan-to-extend-hokkaido-shinkansen-line-by-2031

JR West operates the Shinkansen high-speed rail lines near Kansar, as well as commuter trains within the Osaka metropolitan network.

Source: https://seekingalpha.com/article/4640978-clearbridge-global-infrastructure-income-strategy-q3-2023-portfolio-manager-commentary?source=feed_all_articles

Unexpected construction delays and a tight labor market have made finishing the Hokkaido Shinkansen route to Sapporo by the end of the 2030 fiscal year problematic, although officials continue to say it will open on schedule.

Source: https://www.japantimes.co.jp/news/2023/11/20/japan/society/hokkaido-shinkansen/