Daily eCFR

Part 630—Preconstruction Procedures

Preconstruction Procedures

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Title 23
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Chapter I
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Part 630

ContainsSubparts A–K

CorpusDaily eCFR

Displayed edition2026-04-24

Last updated2026-04-24

PART 630—PRECONSTRUCTION PROCEDURES

Subparts

A
Subpart A—Project Authorization and Agreements Sections 630.102–630.112
B
Subpart B—Plans, Specifications, and Estimates Sections 630.201–630.205
C
Subpart C [Reserved]
D
Subpart D—Geodetic Markers Sections 630.401–630.404
E-F
Subparts E-F [Reserved]
G
Subpart G—Advance Construction of Federal-Aid Projects Sections 630.701–630.709
H-I
Subparts H-I [Reserved]
J
Subpart J—Work Zone Safety and Mobility Sections 630.1002–630.1018
K
Subpart K—Temporary Traffic Control Devices Sections 630.1102–630.1112

Authority23 U.S.C. 106, 109, 112, 115, 315, and 402(a); sec. 1110, 1501, and 1503, Pub. L. 109-59, 119 Stat. 1144; Pub. L. 105-178, 112 Stat. 193; Pub. L. 104-59, 109 Stat. 582; Pub. L. 97-424, 96 Stat. 2106; Pub. L. 90-495, 82 Stat. 828; Pub. L. 85-767, 72 Stat. 896; Pub. L. 84-627, 70 Stat. 380; sections 1303 and 1405, Pub. L. 112-141, 126 Stat. 405; and 23 CFR 1.32 and 49 CFR 1.81 and 1.85.