This is the 2877th most frequent Japanese word.
つづい
"つづい" is not a standard Japanese word; it may be a typo or abbreviation.
In this sentence, 'つづいて' is used to describe the action of 'continuing' or 'extending' in reference to the path of the road.
この道は学校までつづいています。
This road continues up to the school.
Here, 'つづいた' expresses the idea of 'lasting' or 'persisting,' referring to the duration of the rain.
雨がつづいたので、今日は外に出られません。
Since the rain continued, we can't go outside today.
In this example, 'つづいている' means 'has lasted' or 'has been continuous,' describing the longstanding relationship.