noun, noun or participle which takes 'suru', intransitive verb
going straight; advancing straight ahead
Used for physical movement (vehicles, people) or abstract progress without deviation. Common in traffic contexts and metaphorical use.
この道を直進すると駅に出ます。
If you go straight on this road, you'll reach the station.
車は交差点を直進した。
The car went straight through the intersection.