くかん区間kukan
1.
A defined segment between two specific points, often used in the context of transportation or measurement.
2.
A subsection of a larger entity that marks a particular break or division, applicable to various situations such as travel routes or competitive events.
3.
A mathematical interval representing all numbers between two real numbers, including the endpoints in a closed interval and excluding them in an open interval.
Example:
不通区間の開通の見込みはまだない。