地下構造物 (2)

[VI-534] Switchover works of passageway in the subway station
- Installation of elevators and other work at TokyoMetro Otemachi Station, Line 5 and 9 section -

*Daichi Okiyama¹, Tomoaki Takahashi¹, Hiroshi Honda², Syouji Yosinaga² (1. Tokyometro, 2. Taisei Corporation)

Keywords:Passenger flow, Switchover passageway, Passageway for transfer, Improvement work, Widening