Translation guide
A road that goes in a straight line without curves. In Japanese, this is most naturally expressed with まっすぐな道 or 直線道路, but the choice depends on context.
Describing a road that is physically straight, without bends or curves.
The most common and natural way to say 'straight road' in everyday Japanese. まっすぐ means 'straight' and 道 means 'road' or 'path'.
この道はまっすぐで運転しやすい。
This road is straight and easy to drive on.
まっすぐな道をずっと行ってください。
Please go straight along the road.
A more technical or formal term for a straight road, often used in traffic contexts or descriptions of highways. 直線 means 'straight line' and 道路 means 'road'.
この直線道路は速度超過に注意が必要だ。
On this straight road, you need to watch out for speeding.
Emphasizes that the road is perfectly straight, like a single straight line. Less common in daily conversation, more literary or emphatic.
地平線まで続く一直線の道を走った。
I drove on a perfectly straight road stretching to the horizon.