この時間帯は道路が混雑する。

この時間帯は道路が混雑する。

There's a lot of traffic on the roads around this time of the day.

この時間帯(じかんたい)は道路(どうろ)が混雑(こんざつ)する。

Kono jikantai wa dōro ga konzatsusuru.

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

時間帯 (じかんたい)

period of time; time slot; time zone

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

道路 (どうろ)

road; highway

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

混雑 (こんざつ)

congestion; crush; crowding; jam; confusion; disorder

Readings: ジ、とき、 -どき

Meanings: time, hour

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space

Readings: タイ、お.びる、おび

Meanings: sash, belt, obi, zone, region

Readings: ドウ、トウ、みち

Meanings: road-way, street, district, journey, course, moral, teachings

Readings: ロ、ル、 -じ、みち

Meanings: path, route, road, distance

Readings: コン、ま.じる、 -ま.じり、ま.ざる、ま.ぜる、こ.む

Meanings: mix, blend, confuse

Readings: ザツ、ゾウ、まじ.える、まじ.る

Meaning: miscellaneous