Aigi Tunnel
The Aigi Tunnel (Aigi Tonneru) is a 73.28 meters (240.42ft) long railway tunnel located between Zenjino Station and Nishi Kani Station on the Meitetsu Hiromi Line in Japan. The name "Aigi Tunnel" as a portmanteau of "Aichi" and "Gifu" because the tunnel is on the border between Aichi (Ai) Prefecture and Gifu (gi) Prefecture. The nearest stations are Zenjino Station in Aichi Prefecture and Nishi Kani Station in Gifu Prefecture.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).