Tā zài nìxiàng chēdào shàng xíngshǐ, fēicháng wēixiǎn.
He was driving in the wrong direction on the road, which was very dangerous.
Tips
usage
逆向 commonly appears in technical and analytical contexts: 逆向工程 (reverse engineering), 逆向思维 (thinking in reverse / lateral thinking), and 逆向行驶 (driving against traffic). It contrasts with 顺向 (in the same direction).