► 名詞沿線  [えんせん]    
meaning:  area  rank: 4☆ 
山手線沿線の
土地は
高い ⇨ The real estate of the areas close to Yamanote line are expensive  
(☛ The area served by a railroad or major highway)More examples:- 私の家は私鉄の沿線だ ⇨ My house is in the service area of a private railroad company