Question: which was the first tube station in london
Answer: 379 billion ( 2016 / 17 ) Website London Underground Operation Began operation 10 January 1863 ; 154 years ago ( 1863 - 01 - 10 ) Operator ( s ) London Underground Limited Reporting marks LT ( National Rail ) Technical System length 402 km ( 250 mi ) Track gauge 1,435 mm ( 4 ft 8 ⁄ in ) standard gauge Electrification 630 V DC fourth rail Average speed 33 km / h ( 21 mph )