Me. Stat. tit. 23 § 3272
The municipal officers of any municipality that erects or places a barrier across a town way shall cause the barrier to be marked in a manner that causes the barrier to be visible to a person traveling on the town way towards the barrier on a snowmobile, all-terrain vehicle, motorcycle or similar vehicle. The officers shall cause the barrier to be marked in a manner making the barrier visible at a distance that is a reasonable stopping distance. A barrier may be marked by flags, fluorescent coloring, signs or in any other manner making the barrier visible as required in this section. [1987, c. 75(NEW).]
The municipal officers shall cause barriers marked under this section to be inspected periodically to ensure that the marking remains. [1987, c. 75(NEW).]
23 M.R.S. § 3272