Natural disaster vulnerability identification

(a) Metropolitan transportation planning Section 134(i)(2) of title 23, United States Code, is amended by adding at the end the following: (I) Natural disaster vulnerability An identification of— (i) which existing transportation facilities are most vulnerable to any type of natural disaster that occurs frequently in the area served by the metropolitan planning organization; (ii) which such facilities are most necessary to maintain operation of during a natural disaster or soon thereafter; and (iii) the improvement projects necessary to maintain such operation.. (b) Statewide and nonmetropolitan transportation planning Section 135(f) of title 23, United States Code, is amended by adding at the end the following: (10) Natural disaster vulnerability The statewide transportation plan shall include an identification of— (A) which existing transportation facilities are most vulnerable to any type of natural disaster that occurs frequently in the State; (B) which such facilities are most necessary to maintain operation of during a natural disaster or soon thereafter; and (C) the improvement projects necessary to maintain such operation..