How do you say "Is this the right line?" in Japanese?

Quick use

Use このせんでいいですか (kono sen de ii desu ka) when you want to confirm that this is the right train line.

Chunk or pattern

• Reusable pattern: 〜 で / いいですか
• In this phrase, このせんで means “with this line” or “by this line.”
• Useful station swaps: このホームで, このでんしゃで, このほうこうで.

Core words

• せん: line, as in a train line.
• いいですか: is it okay / is it right?

Helper words and endings

• で: marks the route or option you are checking.
• ですか: makes it a polite question.

Practical note

This is useful when several train lines run through the same station and the route map is confusing.