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Book of Standards - for Highway & Incidental Structures Revisions Revisions of July 14, 2025 (PDF, 140 kb) Revisions of April 09, 2025 (PDF, 166 kb) Revisions of February 11, 2025 (PDF, 76 kb) Revisions of January 30, 2025 (PDF, 76 kb) Revisions of November 21, 2019 (PDF, 1.02 mb) End Treatment Revisions (PDF, 389 kb)
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