沿线 (yán xiàn): along the line; the region near the line

We plan to travel along the Yangtze River, starting in Chongqing, then going to Yichang, and finally to Shanghai.

Many new shops and restaurants have opened along the subway line, attracting many young people to spend money there.

The scenery along the railway is very beautiful, especially in spring, when there are green trees and flowers everywhere.

The government plans to install more charging stations along the highway to make travel easier for electric vehicle owners.

Heavy rain caused some villages along the river to be flooded, and residents have been moved to safe places.