ELi5: Why do so many worms appear on roads, sidewalks, driveways, etc. after it rains?

Question

ELi5: Why do so many worms appear on roads, sidewalks, driveways, etc. after it rains?

In: Earth Science

Answer 1

At first I thought this said women instead of worms and I was trying to remember a time I was stuck on a sidewalk in the rain.