milepost

I am sure no man of brilliant mind can pass this milepost and not hitch his team and do some precious loading.

Each major step was a milepost in the developing unity, strength and resolute will of the free nations.

It is the milepost between the time that was and the time that is, that flask, and to it we owe the single standard of drinking.

Close to the line was a milepost indicating that a certain Dutch town was two miles west.