Makinohara Tunnel
Makinohara Tunnel (Makinohara tonneru) is a tunnel on Tokaido Shinkansen operated by Central Japan Railway Company located in Makinohara city, between Kakegawa Station and Shizuoka Station with total length of 2.917 km. It was built and completed in 1968.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).