Skip to content

JLPT
Kanji
Tests
FAQ

鳥居Loading…

The entrance to your Japanese learning journey. Everything for JLPT prep — free, forever.

JLPT levels

JLPT N5
JLPT N4
JLPT N3
JLPT N2
JLPT N1

Study

Hiragana chart
Katakana chart
Kanji dictionary
214 radicals
Vocabulary lists
Grammar
Reading practice

Tests

JLPT guide
N5 practice test
Compare tests
NAT-TEST
JPT

Get started

Start with hiragana
Choose your level

© 2026 Nihon Torii. Built for learners, free for everyone.

鳥居 · とりい

Home
Levels
Start
Features
FAQ

Home
Vocabulary
JLPT N2
開通

JLPT N2 · Vocabulary

開通 — “opening to traffic, being opened (of a road or line)”

開通 (read かいつう) means opening to traffic, being opened (of a road or line). It appears on the JLPT N2 vocabulary list and is a noun.

Reading

かいつう

Meaning

opening to traffic, being opened (of a road or line)

開通 in a sentence

新線しんせんが開通かいつうする。

A new line opens to traffic.

The kanji in 開通

開to open
通to pass through; commute

Words that share a kanji with 開通

開くあく— to open, to become open
開けるあける— to open (v.t.)
開始かいし— start, beginning, commencement
開会かいかい— opening of a meeting
開放かいほう— opening up, throwing open (to the public)
展開てんかい— development, unfolding, expansion
通うかよう— to commute, to go back and forth
普通ふつう— ordinary, normal, usual

Study N2 vocabulary free ← All N2 words All nouns