This is the 18680th most frequent Korean word.
신설한다
"To establish or set up something new."
Here, '신설한다' means the establishment or creation of something that did not exist, referring to building infrastructure.
새로운 도로를 신설한다.
A new road is being established.
In this case, '신설한다' indicates the creation of an organizational unit within an institution.
학교에 새로운 부서를 신설한다.
A new department is being established at the school.
Here, '신설한다' is used to denote the introduction of new rules or regulations in legislative contexts.