Rule 18.6.302 - THE DIAGNOSTIC REVIEW PROCESS(1) A diagnostic review will be conducted by a diagnostic review team at the site for each public at-grade railroad crossing considered for: (b) upgrade of existing signals;(c) proposed removal of signals;(g) other safety improvements deemed necessary by the diagnostic review team; and(h) interconnection between railroad signals and traffic control signals.(2) The road authority, railroad or MDT can request a diagnostic review be initiated to address specific or unusual needs at a public at-grade crossing.NEW, 1997 MAR p. 642, Eff. 4/8/97.60-2-121 and 2-3-103, MCA; IMP, 60-2-121 and 60-2-201, MCA;