6 ft 6 in gauge railways

The Carmelit ( Arabic: كرمليت) is an underground funicular railway in Haifa, Israel. Construction started in 1956 and ended in 1959. It is the oldest funicular railway and underground transit system in the Middle East and was the only underground transit system in Israel until the 2023 opening of Tel Aviv Light Rail. The Carmelit has closed down for repair on three occasions.