🌐EnglishEnglishDeutschفارسی中文日本語EntityQ1688982· pop 5· linked from 494 articlesTransbay Tubeunderwater rail tunnel under San Francisco BayWikidata factsImageToward the Transbay Tube.jpgSources (1)en.wikipedia.orgvia Wikidata · CC0On the mapAvailable in 4 languagesDeutsch中文فارسیvia Wikidata sitelinks · CC0Connectionstrack gaugeEntity1989 Loma Prieta earthquakeEntityCategoriesBay Area Rapid TransitBuildings and structures in the San Francisco Bay AreaImmersed tube tunnels in the United StatesRailroad tunnels in CaliforniaRail transportation in Oakland, CaliforniaTransportation buildings and structures in Alameda County, CaliforniaTunnels completed in 1974Tunnels in San FranciscoTunnels in the San Francisco Bay Area