Research ReportCRS ReportVersion 4
R42140
Federal Aid to Roads and Highways Since the 18th Century: A Legislative History
Published Jan 6, 2012Updated Jun 20, 2025
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The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.