ホームドア

ほーむどあ
noun
platform screen door
1. platform screen door; platform gate
safety barriers installed at train platform edges that open and close in sync with train doors
この(えき)にはホームドアがある。
This station has platform screen doors.
ホームドアが設置(せっち)されて安全(あんぜん)になった。
It became safer after the platform doors were installed.
ホームドアの(まえ)電車(でんしゃ)()ってください。
Please wait for the train in front of the platform doors.

ETYMOLOGY:
From English "home" (platform) + "door"
Also called 可動式(かどうしき)ホーム(さく) (movable platform barrier)

PURPOSE:

  • Prevent falls onto tracks
  • Prevent suicides
  • Reduce train delays from accidents
  • Keep platform climate-controlled (in some stations)

TYPES:

  • Full-height type ({フルスクリーン}タイプ) - floor to ceiling
  • Half-height type (腰高(こしだか)タイプ) - waist height

SPREAD:

  • Major cities are gradually installing them
  • Required for new construction
  • Retrofitting older stations is expensive

RELATED:

  • 人身事故(じんしんじこ) - train accident involving a person
  • 転落防止(てんらくぼうし) - fall prevention