立りっ体たい交こう差さ

noun, noun or participle which takes 'suru', intransitive verb

grade separation; multi-level crossing; cloverleaf interchange

Refers to road or railway crossings built at different levels to avoid at-grade intersections. Often used in traffic engineering and urban planning contexts.

• この交こう差さ点てんは立りっ体たい交こう差さになっているので、渋じゅう滞たいが少すくない。

  This intersection is grade-separated, so there is less traffic congestion.