Q: Is a milestone one of a series of numbered markers placed along a road or boundary at intervals of one mile or occasionally? ¶
A: Yes, and parts of a mile.
Q: Are milestones constructed of cast concrete painted white with the kilometre distance indented and painted black? ¶
Q: Are milestones installed to provide reference points along the road? ¶
Q: Are milestones especially associated with former Turnpike roads? ¶
Q: Is a milestone listed on the side? ¶
Q: Is a milestone still used today? ¶
A: Yes, and even though the "stones" are typically metal highway location markers and in most countries use kilometres and metres rather miles and yards.
Q: Are milestones used? ¶
A: Yes, and telling the distance to the nearest cities in each direction.