Daikan-yama Station opened on 28 August 1927, 18 months after the Tokyu Toyoko line opened. On March 15, 2013, the
Shibuya Station above-ground train platforms closed down to serve the new underground platforms at the same station to serve the through service from the
Tokyo Metro Fukutoshin Line through services. As a result, the line between Daikan-yama and Shibuya Stations had to be replaced with a new section of underground track. On the morning of 16 March 2013, Tokyu Corporation started construction on converting the upwards slope at Daikan-yama station downwards. This included doing the same to the tracks and platforms to accommodate the new underground section. A total of 1,200 engineers worked 3 hours and 25 minutes throughout the night to lower the slope downwards. ==Surrounding area==