23 U.S.C. § 103

Section 103 · Federal-aid systems

Current version, with additions and removals from the August 10, 2005 version.

Current — December 4, 2015

As of August 10, 2005

(a) In General.—For the purposes of this title, the Federal-aid ~~systems are the Interstate System and~~ the National Highway System.

(a) In General.—For the purposes of this title, the Federal-aid system is the National Highway System, which includes the Interstate System.

(b) National Highway System.—

(1) Description.—The National Highway System consists of the highway routes and connections to transportation facilities depicted on the map submitted by the Secretary to Congress with the report entitled “Pulling Together: The National Highway System and its Connections to Major Intermodal Terminals” and dated May 24, 1996. The system shall—

(1) Description.—The National Highway System consists of the highway routes and connections to transportation facilities that shall—

(A) serve major population centers, international border crossings, ports, airports, public transportation facilities, and other intermodal transportation facilities and other major travel destinations;

(B) meet national defense requirements; and

(2) Components.—The National Highway System described in paragraph (1) consists of the following:

(A) The Interstate System described in subsection (c).

(B) Other urban and rural principal arterial routes.

(A) The National Highway System depicted on the map submitted by the Secretary of Transportation to Congress with the report entitled "Pulling Together: The National Highway System and its Connections to Major Intermodal Terminals" and dated May 24, 1996, and modifications approved by the Secretary before the date of enactment of the MAP–21.

(B) Other urban and rural principal arterial routes, and border crossings on those routes, that were not included on the National Highway System before the date of enactment of the MAP–21.

(C) Other connector highways (including toll facilities) that provide motor vehicle access between arterial routes on the National Highway System and a major intermodal transportation facility.

(C) Other connector highways (including toll facilities) that were not included in the National Highway System before the date of enactment of the MAP–21 but that provide motor vehicle access between arterial routes on the National Highway System and a major intermodal transportation facility.

(D) A strategic highway network that—

~~(D) A strategic highway network consisting~~ of a network of highways that are important to the United States strategic defense ~~policy and~~ that provide defense access, continuity, and emergency capabilities for the movement of personnel, materials, and equipment in both peacetime and ~~wartime. The highways may be highways~~ on ~~or off~~ the ~~Interstate~~ System ~~and shall be designated by~~ the ~~Secretary in consultation with appropriate Federal agencies and~~ the ~~States.~~

(i) consists of a network of highways that are important to the United States strategic defense policy, that provide defense access, continuity, and emergency capabilities for the movement of personnel, materials, and equipment in both peacetime and wartime, and that were not included on the National Highway System before the date of enactment of the MAP–21;

(ii) may include highways on or off the Interstate System; and

(E) Major strategic highway network connectors consisting of highways that provide motor vehicle access between major military installations and highways that are part of the strategic highway network. The highways shall be designated by the ~~Secretary~~ in consultation with appropriate Federal agencies and the States.

(iii) shall be designated by the Secretary, in consultation with appropriate Federal agencies and the States.

(3) Maximum mileage.—The mileage of highways on the National Highway System shall not exceed 178,250 miles.

(E) Major strategic highway network connectors that—

(i) consist of highways that provide motor vehicle access between major military installations and highways that are part of the strategic highway network but were not included on the National Highway System before the date of enactment of the MAP–21; and

(ii) shall be designated by the Secretary, in consultation with appropriate Federal agencies and the States.

~~(4)~~ Modifications to nhs.—

(3) Modifications to nhs.—

(A) In general.—The Secretary may make any ~~modification,~~ including any modification consisting of a connector to a major intermodal ~~terminal, to~~ the ~~National Highway System that is proposed by~~ a ~~State or~~ that is proposed by a State ~~and revised by the Secretary~~ if the Secretary determines that the modification—

(A) In general.—The Secretary may make any modification to the National Highway System, including any modification consisting of a connector to a major intermodal terminal or the withdrawal of a road from that system, that is proposed by a State if the Secretary determines that the modification—

(i) meets the criteria established for the National Highway System under this ~~title;~~ and

(i) meets the criteria established for the National Highway System under this title after the date of enactment of the MAP–21; and

~~(ii)~~ enhances the national transportation characteristics of the National Highway ~~System.~~

(ii)(I) enhances the national transportation characteristics of the National Highway System; or

(II) in the case of the withdrawal of a road, is reasonable and appropriate.

(B) Cooperation.—

(i) In general.—In proposing a modification under this paragraph, a State shall cooperate with local and regional officials.

(ii) Urbanized areas.—In an urbanized area, the local officials shall act through the metropolitan planning organization designated for the area under section 134.

(5) Congressional high priority corridors.—Upon the completion of feasibility studies, the Secretary shall add to the National Highway System any congressional high priority corridor or any segment of such a corridor established by section 1105 of the Intermodal Surface Transportation Efficiency Act of 1991 (105 Stat. 2031 et seq.) that was not identified on the National Highway System described in paragraph (1).

(6) State eligible projects for nhs.—Subject to approval by the Secretary, funds apportioned to a State under section 104(b)(1) for the National Highway System may be obligated for any of the following:

(A) Construction, reconstruction, resurfacing, restoration, and rehabilitation of segments of the National Highway System.

(B) Operational improvements for segments of the National Highway System.

(C) Construction of, and operational improvements for, a Federal-aid highway not on the National Highway System, and construction of a transit project eligible for assistance under chapter 53 of title 49, if—

(i) the highway or transit project is in the same corridor as, and in proximity to, a fully access-controlled highway designated as a part of the National Highway System;

(ii) the construction or improvements will improve the level of service on the fully access-controlled highway described in clause (i) and improve regional traffic flow; and

(iii) the construction or improvements are more cost-effective than an improvement to the fully access-controlled highway described in clause (i).

(D) Highway safety improvements for segments of the National Highway System.

(E) Transportation planning in accordance with sections 134 and 135.

(F) Highway research and planning in accordance with chapter 5.

(G) Highway-related technology transfer activities.

(H) Capital and operating costs for traffic monitoring, management, and control facilities and programs.

(I) Fringe and corridor parking facilities.

(J) Carpool and vanpool projects.

(K) Bicycle transportation and pedestrian walkways in accordance with section 217.

(L) Development, establishment, and implementation of management systems under section 303.

(M) In accordance with all applicable Federal law (including regulations), participation in natural habitat and wetland mitigation efforts related to projects funded under this title, which may include participation in natural habitat and wetland mitigation banks, contributions to statewide and regional efforts to conserve, restore, enhance, and create natural habitats and wetland, and development of statewide and regional natural habitat and wetland conservation and mitigation plans, including any such banks, efforts, and plans authorized under the Water Resources Development Act of 1990 (Public Law 101–640) (including crediting provisions). Contributions to the mitigation efforts described in the preceding sentence may take place concurrent with or in advance of project construction; except that contributions in advance of project construction may occur only if the efforts are consistent with all applicable requirements of Federal law (including regulations) and State transportation planning processes. With respect to participation in a natural habitat or wetland mitigation effort related to a project funded under this title that has an impact that occurs within the service area of a mitigation bank, preference shall be given, to the maximum extent practicable, to the use of the mitigation bank if the bank contains sufficient available credits to offset the impact and the bank is approved in accordance with the Federal Guidance for the Establishment, Use and Operation of Mitigation Banks (60 Fed. Reg. 58605 (November 28, 1995)) or other applicable Federal law (including regulations).

(N) Publicly-owned intracity or intercity bus terminals.

(O) Infrastructure-based intelligent transportation systems capital improvements.

[(P) Repealed. Pub. L. 109–59, title I, §1118(b)(1)(B), Aug. 10, 2005, 119 Stat. 1181.]

(Q) Environmental restoration and pollution abatement in accordance with section 328.

(R) Control of noxious weeds and aquatic noxious weeds and establishment of native species in accordance with section 329.

(7) Territory eligible projects.—Subject to approval by the Secretary, funds set aside for this program under section 104(b)(1) for the National Highway System may be obligated for projects eligible for assistance under the territorial highway program under section 215.

(1) Description.—

(A) In general.—The Dwight D. Eisenhower National System of Interstate and Defense Highways within the United States (including the District of Columbia and Puerto Rico) consists of highways designed, located, and selected in accordance with this paragraph.

(B) Design.—

(i) In general.—Except as provided in clause (ii), highways on the Interstate System shall be designed in accordance with the standards of section 109(b).

(ii) Exception.—Highways on the Interstate System in Alaska and Puerto Rico shall be designed in accordance with such geometric and construction standards as are adequate for current and probable future traffic demands and the needs of the locality of the highway.

(i) to connect by routes, as direct as practicable, the principal metropolitan areas, cities, and industrial centers;

(ii) to serve the national defense; and

(iii) to the maximum extent practicable, to connect at suitable border points with routes of continental importance in Canada and Mexico.

(D) Selection of routes.—To the maximum extent practicable, each route of the Interstate System shall be selected by joint action of the State transportation departments of the State in which the route is located and the adjoining States, in cooperation with local and regional officials, and subject to the approval of the Secretary.

(2) Maximum mileage.—The mileage of highways on the Interstate System shall not exceed 43,000 miles, exclusive of designations under paragraph (4).

(3) Modifications.—The Secretary may approve or require modifications to the Interstate System in a manner consistent with the policies and procedures established under this subsection.

(4) Interstate system designations.—

(A) Additions.—If the Secretary determines that a highway on the National Highway System meets all standards of a highway on the Interstate System and that the highway is a logical addition or connection to the Interstate System, the Secretary may, upon the affirmative recommendation of the State or States in which the highway is located, designate the highway as a route on the Interstate System.

(B) Designations as future interstate system routes.—

(i) In ~~general.—If~~ the Secretary determines that a highway on the National Highway System would be a logical addition or connection to the Interstate System and would qualify for designation as a route on the Interstate System under subparagraph (A) if the highway met all standards of a highway on the Interstate System, the Secretary may, upon the affirmative recommendation of the State or States in which the highway is located, designate the highway as a future Interstate System route.

(i) In general.—Subject to clauses (ii) through (vi), if the Secretary determines that a highway on the National Highway System would be a logical addition or connection to the Interstate System and would qualify for designation as a route on the Interstate System under subparagraph (A) if the highway met all standards of a highway on the Interstate System, the Secretary may, upon the affirmative recommendation of the State or States in which the highway is located, designate the highway as a future Interstate System route.

(ii) Written ~~agreement of states.—A~~ designation under clause (i) shall be made only upon the written agreement of ~~the~~ State ~~or States~~ described in ~~such~~ clause that the highway will be constructed to meet all standards of a highway on the Interstate System by the date that is 25 years after the date of the agreement.

(ii) Written agreement.—A designation under clause (i) shall be made only upon the written agreement of each State described in that clause that the highway will be constructed to meet all standards of a highway on the Interstate System by not later than the date that is 25 years after the date of the agreement.

(iii) Removal of designation.—

~~(I) In general.—If the~~ State ~~or States~~ described in clause (i) ~~have~~ not substantially completed the construction of a highway designated under this subparagraph ~~within~~ the ~~time provided for under~~ clause (ii), the Secretary shall remove the designation of the highway as a future Interstate System route.

(iii) Failure to complete construction.—If a State described in clause (i) has not substantially completed the construction of a highway designated under this subparagraph by the date specified in clause (ii), the Secretary shall remove the designation of the highway as a future Interstate System route.

~~(II)~~ Effect of removal.—Removal of the designation of a highway under ~~subclause (I)~~ shall not preclude the Secretary from designating the highway as a route on the Interstate System under subparagraph (A) or under any other provision of law providing for addition to the Interstate System.

(iv) Effect of removal.—Removal of the designation of a highway under clause (iii) shall not preclude the Secretary from designating the highway as a route on the Interstate System under subparagraph (A) or under any other provision of law providing for addition to the Interstate System.

~~(III) Existing agreements.—An~~ agreement described in clause (ii) that is entered into before ~~the date of enactment of this subclause~~ shall be deemed to include the 25-year time limitation described in that clause, regardless of any earlier construction completion date in the agreement.

(v) Retroactive effect.—An agreement described in clause (ii) that is entered into before August 10, 2005, shall be deemed to include the 25-year time limitation described in that clause, regardless of any earlier construction completion date in the agreement.

~~(iv) Prohibition on referral as interstate system route.—No~~ law, rule, regulation, map, document, or other record of the United States, or of any State or political subdivision of a State, shall refer to any highway designated as a future Interstate System route under this subparagraph, ~~nor shall any~~ such highway be signed or marked, as a highway on the Interstate ~~System~~ until such time as the ~~highway is constructed to the geometric and construction standards for the Interstate System and has been designated as a route on the Interstate System.~~

(vi) References.—No law, rule, regulation, map, document, or other record of the United States, or of any State or political subdivision of a State, shall refer to any highway designated as a future Interstate System route under this subparagraph, and no such highway shall be signed or marked, as a highway on the Interstate System, until such time as the highway—

(I) is constructed to the geometric and construction standards for the Interstate System; and

(II) has been designated as a route on the Interstate System.

(C) Financial responsibility.—Except as provided in this title, the designation of a highway under this paragraph shall create no additional Federal financial responsibility with respect to the highway.

(5) Exemption of interstate system.—

(A) In general.—Except as provided in subparagraph (B), the Interstate System shall not be considered to be a historic site under section 303 of title 49 or section 138 of this title, regardless of whether the Interstate System or portions or elements of the Interstate System are listed on, or eligible for listing on, the National Register of Historic Places.

(B) Individual elements.—Subject to subparagraph (C)—

~~(B) Individual elements.—Subject to subparagraph (C),~~ the Secretary shall determine, through the administrative process established for exempting the Interstate System from section ~~106~~ of ~~the National Historic Preservation Act (16 U.S.C. 470f),~~ those individual elements of the Interstate System that possess national or exceptional historic significance (such as a historic bridge or a highly significant engineering ~~feature). Such elements shall be considered to be a historic site under section 303 of title 49 or section 138 of this title, as applicable.~~

(i) the Secretary shall determine, through the administrative process established for exempting the Interstate System from section 306108 of title 54, those individual elements of the Interstate System that possess national or exceptional historic significance (such as a historic bridge or a highly significant engineering feature); and

(ii) those elements shall be considered to be historic sites under section 303 of title 49 or section 138 of this title, as applicable.

(C) Construction, maintenance, restoration, and rehabilitation activities.—Subparagraph (B) does not prohibit a State from carrying out construction, maintenance, restoration, or rehabilitation activities for a portion of the Interstate System referred to in subparagraph (B) upon compliance with section 303 of title 49 or section 138 of this title, as applicable, and section ~~106~~ of ~~the National Historic Preservation Act (16 U.S.C. 470f).~~

(C) Construction, maintenance, restoration, and rehabilitation activities.—Subparagraph (B) does not prohibit a State from carrying out construction, maintenance, preservation, restoration, or rehabilitation activities for a portion of the Interstate System referred to in subparagraph (B) upon compliance with section 303 of title 49 or section 138 of this title, as applicable, and section 306108 of title 54.

(d) Transfer of Interstate Construction Funds.—

(1) Interstate construction funds not in surplus.—

(A) In general.—Upon application by a State and approval by the Secretary, the Secretary may transfer to the apportionment of the State under section 104(b)(1) any amount of funds apportioned to the State under section 104(b)(5)(A) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century), if the amount does not exceed the Federal share of the costs of construction of segments of the Interstate System in the State included in the most recent Interstate System cost estimate.

(B) Effect of transfer.—Upon transfer of an amount under subparagraph (A), the construction on which the amount is based, as included in the most recent Interstate System cost estimate, shall not be eligible for funding under section 104(b)(5)(A) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century) or 118(c).

(2) Surplus interstate construction funds.—Upon application by a State and approval by the Secretary, the Secretary may transfer to the apportionment of the State under section 104(b)(1) any amount of surplus funds apportioned to the State under section 104(b)(5)(A) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century), if the State has fully financed all work eligible under the most recent Interstate System cost estimate.

(3) Applicability of certain laws.—Funds transferred under this subsection shall be subject to the laws (including regulations, policies, and procedures) relating to the apportionment to which the funds are transferred.

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Versions

Dec 4, 2015 – presentcurrentviewing
Annual edition
Subsec. (b)(3)(A). Pub. L. 114–94, § 1122(e)(1), in introductory provisions, struck out “, including any modification consisting of a connector to a major intermodal terminal,” after “any modification” and inserted “, including any modification consisting of a connector to a major intermodal terminal or the withdrawal of a road from that system,” after “the National Highway System”.
▸ what changed
Source credit
Pub. L. 114–94, div. A, title I, § 1122(e), Dec. 4, 2015, 129 Stat. 1369.
Dec 19, 2014 – Dec 4, 2015
OLRC release point
Subsec. (c)(5)(B)(i). Pub. L. 113–287, § 5(f)(1)(A), substituted “section 306108 of title 54” for “section 106 of the National Historic Preservation Act (16 U.S.C. 470f)”.
▸ what changed changes vs current →
Source credit
Pub. L. 113–287, § 5(f)(1), Dec. 19, 2014, 128 Stat. 3268
Jul 6, 2012 – Dec 19, 2014
Annual edition
Pub. L. 112–141 amended section generally. Prior to amendment, section related to Federal-aid systems.
▸ what changed changes vs current →
Source credit
Pub. L. 112–141, div. A, title I, § 1104(a), July 6, 2012, 126 Stat. 422
Aug 10, 2005 – Jul 6, 2012
Annual edition
Subsec. (b)(6). Pub. L. 109–59, § 1118(b)(1)(A), substituted “State eligible” for “Eligible” in heading.
▸ what changed changes vs current →
Source credit
Pub. L. 109–59, title I, §§ 1106, 1118(b)(1), title VI, §§ 6006(a)(1), 6007, Aug. 10, 2005, 119 Stat. 1166, 1181, 1872, 1873
Jun 9, 1998 – Aug 10, 2005
Annual edition
Pub. L. 105–178 reenacted section catchline without change and amended text generally. Prior to amendment, section related to Federal-aid systems and, in subsec. (a), identified such systems, in subsec. (b), described National Highway System, in subsec. (e), described Interstate Highway System, in subsec. (f), specified authority of Secretary with respect to system, in subsec. (g), provided for removal of certain parts from system, in subsec. (h), authorized Secretary to pay all non-Federal costs of certain parts of system, and in subsec. (i), described eligible projects for National Highway System.
▸ what changed changes vs current →
Source credit
Pub. L. 105–178, title I, § 1106(b), June 9, 1998, 112 Stat. 131
Oct 11, 1996 – Jun 9, 1998
Annual edition
Subsec. (e)(4)(L). Pub. L. 104–287 substituted “chapter 53 of title 49” for “fta” in heading.
▸ what changed changes vs current →
Source credit
Pub. L. 104–287, § 2, Oct. 11, 1996, 110 Stat. 3388
Nov 28, 1995 – Oct 11, 1996
Annual edition
Subsec. (b)(3)(C). Pub. L. 104–59, § 101(b)(1), substituted “The” for “For purposes of proposing highways for designation to the National Highway System, the”.
▸ what changed changes vs current →
Source credit
Pub. L. 104–59, title I, § 101, title III, § 301(a), Nov. 28, 1995, 109 Stat. 569, 578
Oct 31, 1994 – Nov 28, 1995
Annual edition
Subsec. (e)(4)(L)(i). Pub. L. 103–272, § 5(f)(1)(A), as amended by Pub. L. 103–429, § 7(a)(4)(B), substituted “chapter 53 of title 49” for “the Federal Transit Act”.
changes vs current →
Source credit
Pub. L. 103–429, §§ 3(1), 7(a)(4)(B), Oct. 31, 1994, 108 Stat. 4377, 4389
Jul 5, 1994 – Oct 31, 1994
Amended · full text not held
Subsec. (e)(4)(L)(i). Pub. L. 103–272, § 5(f)(1)(A), as amended by Pub. L. 103–429, § 7(a)(4)(B), substituted “chapter 53 of title 49” for “the Federal Transit Act”.
Source credit
Pub. L. 103–272, § 5(f)(1), July 5, 1994, 108 Stat. 1374
Dec 18, 1991 – Jul 5, 1994
Amended · full text not held
Subsec. (a). Pub. L. 102–240, § 1006(a), added subsec. (a) and struck out former subsec. (a) which established and continued four Federal-aid systems: primary, urban, secondary and Interstate.
Source credit
Pub. L. 102–240, title I, §§ 1006(a), (b), (d), 1011, title III, § 3003(b), Dec. 18, 1991, 105 Stat. 1923, 1925, 1935, 2088
Apr 2, 1987 – Dec 18, 1991
Amended · full text not held
Subsec. (e). Pub. L. 100–17, § 103(f)(1)(A)–(D), (H)–(J), inserted heading, indented par. (1) and aligned such par. and pars. (2), (3), and (5) to (9) with par. (4), as amended, and inserted headings for pars. (1) to (3), (8), and (9).
Source credit
Pub. L. 100–17, title I, § 103(b), (f)(1), Apr. 2, 1987, 101 Stat. 136, 141
Jan 6, 1983 – Apr 2, 1987
Amended · full text not held
Subsec. (b)(1). Pub. L. 97–424, § 108(f), substituted “Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands” for “or Puerto Rico” after “Hawaii, Alaska,”.
Source credit
Pub. L. 97–424, title I, §§ 107(a)–(c)(1), (d), (e), 108(f), Jan. 6, 1983, 96 Stat. 2101–2104
Dec 13, 1979 – Jan 6, 1983
Amended · full text not held
Subsec. (e)(4). Pub. L. 96–144 provided that after Sept. 30, 1979, the Secretary shall not withdraw his approval under par. (4) of any route or portion thereof on the Interstate System open to traffic before the date of the proposed withdrawal, and that any withdrawal of approval of any such route or portion thereof before Sept. 30, 1979, is determined to be authorized by par. (4).
Source credit
Pub. L. 96–144, § 2, Dec. 13, 1979, 93 Stat. 1084
Nov 9, 1979 – Dec 13, 1979
Amended · full text not held
Subsec. (e)(4). Pub. L. 96–144 provided that after Sept. 30, 1979, the Secretary shall not withdraw his approval under par. (4) of any route or portion thereof on the Interstate System open to traffic before the date of the proposed withdrawal, and that any withdrawal of approval of any such route or portion thereof before Sept. 30, 1979, is determined to be authorized by par. (4).
Source credit
Pub. L. 96–106, §§ 1, 2(a), (c), Nov. 9, 1979, 93 Stat. 796
Nov 6, 1978 – Nov 9, 1979
Amended · full text not held
Subsec. (e)(2). Pub. L. 95–599, § 107(a)(1), substituted provisions relating to the deadline for designation of Interstate routes for provisions relating to maximum costs of all mileage and granting of preferences.
Source credit
Pub. L. 95–599, title I, § 107(a), (b), (f)(1), Nov. 6, 1978, 92 Stat. 2694, 2695
May 5, 1976 – Nov 6, 1978
Amended · full text not held
Subsec. (e)(2). Pub. L. 94–280, §§ 109(a), 111(a), struck out from second sentence “prior to the enactment of this paragraph” after “with this title,” and in fourth sentence, substituted provision respecting limitation of cost to United States for aggregate of mileage for route withdrawals which read as follows: “or if the cost of any such withdrawn route was not included in such 1972 Interstate System cost estimate, the cost of such withdrawn route as set forth in the last Interstate System cost estimate before such 1972 cost estimate which was approved by Congress and which included the cost of such withdrawn route, increased or decreased, as the case may be, as determined by the Secretary, based on changes in construction costs of such route or portion thereof, which, (i) in the case of a withdrawn route the cost of which was not included in the 1972 cost estimate but in an earlier cost estimate, have occurred between such earlier cost estimate and the date of enactment of the Federal-Aid Highway Act of 1976, and (ii) in the case of a withdrawn route the cost of which was included in the 1972 cost estimate, have occurred between the 1972 cost estimate and the date of enactment of the Federal-Aid Highway Act of 1976, or the date of withdrawal of approval, whichever date is later, and in each case costs shall be based on that design of such route or portion thereof which is the basis of the applicable cost estimate” for “increased or decreased, as the case may be, as determined by the Secretary, based on changes in construction costs of such route or portion thereof as of the date of withdrawal of approval under this paragraph and in accordance with that design of such route or portion thereof which is the basis of such 1972 cost estimate.”
Source credit
Pub. L. 94–280, title I, §§ 109, 110, 111(a), May 5, 1976, 90 Stat. 431, 433
Jan 4, 1975 – May 5, 1976
Amended · full text not held
Subsec. (e)(2), (4). Pub. L. 93–643 inserted “, increased or decreased, as the case may be, as determined by the Secretary, based on changes in construction costs of such route or portion thereof as of the date of withdrawal of approval under this paragraph and in accordance with that design of such route or portion thereof which is the basis of such 1972 cost estimate” after “House Report Numbered 92–1443”.
Source credit
Pub. L. 93–643, § 125, Jan. 4, 1975, 88 Stat. 2290
Aug 13, 1973 – Jan 4, 1975
Amended · full text not held
Subsec. (b). Pub. L. 93–87, § 148(a), designated existing provisions as par. (1) and added par. (2).
Source credit
Pub. L. 93–87, title I, §§ 109(a), 110(a), (b), 137, 148(a)–(c), (e), Aug. 13, 1973, 87 Stat. 255, 256, 268, 274
Dec 31, 1970 – Aug 13, 1973
Amended · full text not held
Subsec. (a). Pub. L. 91–605, § 106(b)(3), substituted “four” for “three” and added the urban system to the list of Federal-aid systems.
Source credit
Pub. L. 91–605, title I, §§ 106(b), 124, Dec. 31, 1970, 84 Stat. 1716, 1729
Aug 23, 1968 – Dec 31, 1970
Amended · full text not held
Subsec. (d)(1). Pub. L. 90–495, § 14(a), inserted provision making allowance for an exception in pars. (2) and (3) to the forty-one thousand mile total extent of the Interstate system.
Source credit
Pub. L. 90–495, §§ 14, 21, Aug. 23, 1968, 82 Stat. 822, 826
Jan 2, 1968 – Aug 23, 1968
Amended · full text not held
Subsec. (d)(1). Pub. L. 90–495, § 14(a), inserted provision making allowance for an exception in pars. (2) and (3) to the forty-one thousand mile total extent of the Interstate system.
Source credit
Pub. L. 90–238, Jan. 2, 1968, 81 Stat. 772
Oct 23, 1962 – Jan 2, 1968
Amended · full text not held
Subsec. (c). Pub. L. 87–866 substituted “This system may be located both in rural and urban areas, but any extension of the system into urban areas shall be subject to the condition that such extension pass through the urban area or connect with another Federal-aid system within the urban area” for “This system shall be confined to rural areas, except (1) that in any State having a population density of more than two hundred per square mile as shown by the latest available Federal census, the system may include mileage in urban areas as well as rural, and (2) that the system may be extended into urban areas subject to the conditions that any such extension passes through the urban area or connects with another Federal-aid system within the urban area, and that Federal participation in projects on such extensions is limited to urban funds”.
Source credit
Pub. L. 87–866, § 8(a), Oct. 23, 1962, 76 Stat. 1147
Jul 12, 1960 – Oct 23, 1962
Amended · full text not held
Subsec. (d). Pub. L. 86–624, § 17(c), substituted “within the United States, including the District of Columbia, and” for “within the continental United States and”, and inserted “to the greatest extent possible” in two places.
Source credit
Pub. L. 86–624, § 17(b), (c), July 12, 1960, 74 Stat. 415
Jun 25, 1959 – Jul 12, 1960
Amended · full text not held
Subsec. (f). Pub. L. 86–70 repealed subsec. (f) which related to determination of roads in the Territory of Alaska on which Federal-aid funds could be expended.
Source credit
Pub. L. 86–70, § 21(d)(1), June 25, 1959, 73 Stat. 145
Aug 27, 1958 – Jun 25, 1959
Enacted · full text not held
Source credit
Pub. L. 85–767, Aug. 27, 1958, 72 Stat. 887

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Every enactment and amendment in this section's credit is listed. Full text is shown for versions back to 1994; earlier amendments are recorded by date and act, without pre-1994 full text.