Snow Hill tunnel (London)

51°31′4″N 0°6′14″W / 51.51778°N 0.10389°W / 51.51778; -0.10389

Snow Hill tunnel is a railway tunnel on the northern edge of the City of London which carries the up and down Snow Hill lines^[1] between City Thameslink and Farringdon stations. The tunnel runs beneath the Smithfield meat market and was constructed, using the cut-and-cover method, immediately prior to the building of the market. The tunnel opened on 1 January 1866.