Build America Act of 1991

[AI summary unavailable — showing source text] Build America Act of 1991 - Title I: Completion of Interstate System and Interstate Substitute Highway Projects - Approves the estimate forwarded to the Congress by the Secretary of Transportation of the cost of completing the Interstate System (IS). Directs the Secretary to apportion for FY 1993 through 1998 the sums authorized to be appropriated for such years by the Federal-Aid Highway Act of 1956 for expenditure on the National System of Interstate and Defense Highways (NSIDH), using the apportionment factors contained in such approved estimate. Amends such Act to authorize appropriations for IS completion for FY 1994 through 1998. Specifies that a State which has not completed construction of that portion of the NSIDH which lies within its border by the end of FY 1995 shall not be eligible, effective at the beginning of FY 1996, to receive or apply for funds under such Act until the Secretary agrees that the State has completed such construction, with an exception for States experiencing a natural disaster. Requires that the sums to be apportioned for FY 1992 through 1995 under such Act for expenditure on substitute highway projects be apportioned using the apportionment facto…