US Code

Public Law 119-73 (01/23/2026)

23 U.S.C. § 517

National architecture and standards

(a)

In General .—

(1)

Development, implementation, and maintenance .—

15 U.S.C. 272110 Stat. 783115 Stat. 1241In accordance with section 12(d) of the National Technology Transfer and Advancement Act of 1995 ( note; ; ), the Secretary shall develop and maintain a national ITS architecture and supporting ITS standards and protocols to promote the use of systems engineering methods in the widespread deployment and evaluation of intelligent transportation systems as a component of the surface transportation systems of the United States.
(2)

Interoperability and efficiency .—

To the maximum extent practicable, the national ITS architecture and supporting ITS standards and protocols shall promote interoperability among, and efficiency of, intelligent transportation systems and technologies implemented throughout the United States.
(3)

Use of standards development organizations .—

In carrying out this section, the Secretary shall support the development and maintenance of standards and protocols using the services of such standards development organizations as the Secretary determines to be necessary and whose memberships include representatives of the surface transportation and intelligent transportation systems industries.
(b)

Standards for National Policy Implementation .—

If the Secretary finds that a standard is necessary for implementation of a nationwide policy relating to user fee collection or other capability requiring nationwide uniformity, the Secretary, after consultation with stakeholders, may establish and require the use of that standard.
(c)

Provisional Standards .—

(1)

In general .—

If the Secretary finds that the development or balloting of an intelligent transportation system standard jeopardizes the timely achievement of the objectives described in subsection (a), the Secretary may establish a provisional standard, after consultation with affected parties, using, to the maximum extent practicable, the work product of appropriate standards development organizations.
(2)

Period of effectiveness .—

A provisional standard established under paragraph (1) shall be published in the Federal Register and remain in effect until the appropriate standards development organization adopts and publishes a standard.
(d)

Conformity With National Architecture .—

(1)

In general.—

Except as provided in paragraph (2), the Secretary shall ensure that intelligent transportation system projects carried out using amounts made available from the Highway Trust Fund, including amounts made available to deploy intelligent transportation systems, conform to the appropriate regional ITS architecture, applicable standards, and protocols developed under subsection (a) or (c).
(2)

Discretion of the secretary .—

1
1 See References in Text note below.
The Secretary, at the discretion of the Secretary, may offer an exemption from paragraph (1) for projects designed to achieve specific research objectives outlined in the national intelligent transportation system program plan or the surface transportation research and development strategic plan developed under section 508.

Pub. L. 112–141, div. E, title III, § 53005(a)126 Stat. 902Pub. L. 114–94, div. A, title VI, § 6008129 Stat. 1567(Added , , ; amended , , .)

Editorial Notes

References in Text

section 12(d) of Pub. L. 104–113110 Stat. 783section 272 of Title 15Section 12(d) of the National Technology Transfer and Advancement Act of 1995, referred to in subsec. (a)(1), is , , , which is set out as a note under , Commerce and Trade.

Pub. L. 114–94, div. A, title VI, § 6019(d)(1)(A)129 Stat. 1581Section 508, referred to in subsec. (d)(2), was repealed by , , , effective .

Amendments

Pub. L. 114–942015—Subsec. (a)(3). substituted “memberships include representatives of” for “memberships are comprised of, and represent,”.

Statutory Notes and Related Subsidiaries

Effective Date of 2015 Amendment

Pub. L. 114–94section 1003 of Pub. L. 114–94section 5313 of Title 5Amendment by effective , see , set out as a note under , Government Organization and Employees.

Effective Date

section 3(a) of Pub. L. 112–141section 101 of this titleSection effective , see , set out as an Effective and Termination Dates of 2012 Amendment note under .