23 C.F.R. PART 630--PRECONSTRUCTION PROCEDURES
TITLE 23--Highways
CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER G--ENGINEERING AND TRAFFIC OPERATIONS
PART 630--PRECONSTRUCTION PROCEDURES
Subpart A--PROJECT AUTHORIZATION AND AGREEMENTS
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Subpart B--PLANS, SPECIFICATIONS, AND ESTIMATES
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Subpart G--ADVANCE CONSTRUCTION OF FEDERAL-AID PROJECTS
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Subpart H--BRIDGES ON FEDERAL DAMS
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Subpart J--TRAFFIC SAFETY IN HIGHWAY AND STREET WORK ZONES
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