mileposts
nounUK /ˈmaɪl.pəʊsts/
US /ˈmaɪl.poʊsts/
Mileposts are signs beside a road that show how far you have traveled.
We knew we were close to the beach when we passed the last of the mileposts.
OTHER MEANINGS
2. Important events that mark progress in a person's life or in a project.
Finishing her first book was one of the mileposts of her career.
3. Posts placed along a railway line to show distances.
The old railway mileposts still stand along the abandoned track.
4. Points used to measure how far something has developed or changed.
The report listed several mileposts in the company's growth.