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places alongside a railway line, bus route, major thoroughfare, etc.
沿線住民から騒音に対する苦情が寄せられた。
Complaints about noise were received from residents along the line.
沿線には商業施設が次々と建設されている。
Commercial facilities are being built one after another along the line.
この路線の沿線は住宅地として人気が高い。
The areas along this line are popular as residential districts.