。。
The entrance ceremony is over. It's a university on the same train line.
Literal
Entrance-ceremony [also-も] ended. Same train-line [gen-の] university is.
入学式 ('entrance ceremony') is a major milestone in Japanese academic life — formal ceremony with speeches and flower decorations marking the start of a new school year (in April). 沿線 ('along the line') specifically refers to 'along a train line' — a distinctive Japanese geographic concept where proximity is measured by train-line access rather than road distance. A compact diary-style entry with polite past tense.