Trains are often delayed on this section.
東京・大阪区間の新幹線は便利だ。
The Shinkansen between Tokyo and Osaka is convenient.
Mathematical use: a set of numbers between two endpoints. Not used for time intervals in everyday language; for that, 間隔 or 時間 is more common.
数学では、区間 [0, 1] を閉区間と呼ぶ。
In mathematics, the interval [0, 1] is called a closed interval.
You can travel the section from Tokyo to Shin-Osaka by bullet train.
This train runs nonstop through this section.
Due to heavy rain, service on this section is suspended.
This campaign is offered only for a limited section.
This section is currently under construction.
confidence interval
local train; section train
semi-express train; express service on part of a route
regional express train
complex interval
marked section
open marked section declaration