(1) Public highway railroad at-grade crossings should be evaluated for closure by the diagnostic review team to determine the feasibility of closing or consolidating public at-grade crossings. A diagnostic review will be conducted to determine the following:

(a) crossings to be closed;

(b) crossings to be opened to facilitate the closure of other crossings;

(c) road authority and railroad work necessary to accomplish closure;

(d) cost sharing responsibility; and

(e) recommending other safety considerations as deemed necessary by the diagnostic review team.