The rain made road slippery, which often resulted in car accidents.

雨使道路湿滑，经常导致车祸。

youdao

Look out! The road is slippery.

注意，路很滑！

《新英汉大辞典》

The road is slippery; you'd better slow down.

路很滑，你最好减速。

《新英汉大辞典》

It hung out over a bend in the road, dropping pears all fall until the road was slippery and sweet.

NPR: Watching a Memory Shift over Time

In an ice storm, if the car in front of you is skidding from side to side, you can bet that the road is slippery.

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Forecasts called for as much as 16 inches of snow in parts of northern New England through Wednesday morning, bringing slippery road conditions.

WSJ: Snow ushers in spring in northern New England