English Dictionary

grade-separated

形容詞

比較不可 前置詞句

(of a junction) Having routes that meet cross each other on different levels, avoiding the conflicts that occur with a flat junction at only one level.

日本語の意味

（交差点などが）異なる高さのレベルで分離して交差し、平面交差で生じる衝突を回避する設計・構造、すなわち高低差を利用して交差を分離している

The city built a new grade-separated interchange to improve traffic flow and reduce accidents.

市は交通の流れを改善し事故を減らすために、新たに路線が異なる高さで交差する立体交差型のインターチェンジを建設した。

意味（1）

(of a junction) Having routes that meet cross each other on different levels, avoiding the conflicts that occur with a flat junction at only one level.

Potential answers here include remodelling the north junction to be grade-separated, adding an extra platform and track to allow more parallel moves, or by changing services so that trains from Wigan go towards Piccadilly and trains from Bolton head for Victoria.