時じ差さ式しき信しん号ごう

noun

fixed-time traffic lights

Refers to traffic signals that operate on a fixed schedule, as opposed to vehicle-actuated or adaptive signals. Used in traffic engineering contexts.

• この交こう差さ点てんは時じ差さ式しき信しん号ごうで、夜や間かんはサイクルが長ながくなる。

  This intersection has fixed-time traffic lights, and the cycle becomes longer at night.