汽車に

for the local train (especially a non-electrified train)

→ 汽車
phrase Rare #21,143
for the local train (especially a non-electrified train) に marks the train you are trying to catch or be on time for.
JA: すぐに出発すれば汽車に間に合うだろう。
EN: If we leave right away, we’ll probably make the local train.

急がないと、汽車に遅れるよ。

If you don't hurry, you'll miss the train.

運良く彼は汽車に間に合った。

Luckily, he caught the train.