The department of transportation shall display at each rest area within the limits of the right-of-way of interstate highways and other state highways:
(1) a poster created by the department of justice pursuant to 44-4-1501 that provides information regarding the national human trafficking resource center hotline; and
(2) a poster created by the invasive species council pursuant to 80-7-1203 that provides information related to preventing the spread of invasive species.