R.I. Gen. Laws § 24-5-30: Erection of guideposts — Specifications.

The town councils shall cause to be erected and maintained, at the several corners and angles as determined pursuant to § 24-5-28, substantial posts not less than eight feet (8′) high, upon the upper end of which shall be placed a board upon which shall be plainly and legibly painted the name of the next town, with the other noted town or place as may be judged most expedient for the direction of travelers, to which each of the roads may lead, together with the number of miles to the next town; and also the figure of a hand, with the forefinger thereof pointing toward the town or place to which the road may lead.