Sen. Barack Obama, D-Ill., unveiled an "emergency" economic plan Friday that would provide $25 billion to states to cover budgetary shortfalls and another $25 billion to replenish the struggling highway trust fund to avoid cutbacks in infrastructure repair and renovate schools.

The presumptive Democratic presidential nominee is the latest politician to tackle the issue of the anemic federal highway trust fund, which is projected to face a $3.1 billion to $6 billion shortfall by the end of fiscal year 2009, according to administration and other estimates.

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