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Design Standards for Highways

American Government Special Collections Reference Desk

American Government

Design Standards for Highways

Gregory G. Nadeau
Federal Highway Administration
June 2, 2015


[Federal Register Volume 80, Number 105 (Tuesday, June 2, 2015)]
[Proposed Rules]
[Pages 31327-31332]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2015-13097]


=======================================================================
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DEPARTMENT OF TRANSPORTATION

Federal Highway Administration

23 CFR Part 625

[Docket No. FHWA-2015-0003]
[RIN 2125-AF67]


Design Standards for Highways

AGENCY: Federal Highway Administration (FHWA), Department of 
Transportation (DOT).

ACTION: Notice of proposed rulemaking (NRPM); request for comments.

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SUMMARY: The FHWA requests comments on a proposed revision to design 
standards and standard specifications that applies to new construction, 
reconstruction, resurfacing (except for maintenance resurfacing), 
restoration, and rehabilitation projects on the National Highway System 
(NHS). The proposed rule would incorporate by reference the latest 
versions of design standards and standard specifications previously 
adopted and incorporated by reference under 23 CFR part 625, and would 
remove the corresponding outdated or superseded versions of these 
standards and specifications. The proposed rule also would make 
technical changes to the regulatory text consistent with updated 
Federal Register procedures.

DATES: Comments must be received on or before July 2, 2015. Late 
comments will be considered to the extent practicable.

ADDRESSES: You may submit comments identified by the docket number 
FHWA-2015-0003 by any one of the following methods:
    Fax: 1-202-493-2251;
    Mail: U.S. Department of Transportation, Docket Operations, M-30, 
West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE., 
Washington, DC 20590;
    Hand Delivery: U.S. Department of Transportation, Docket 
Operations, West Building Ground Floor, Room W12-140, 1200 New Jersey 
Avenue SE., Washington, DC 20590, between 9 a.m. and 5 p.m., Monday 
through Friday, except Federal holidays; or Electronically through the 
Federal eRulemaking Portal: http://www.regulations.gov. Follow the 
online instructions for submitting comments.

[[Page 31328]]

    Instructions: All submissions must include the agency name, docket 
name and docket number or Regulatory Identification Number (RIN) for 
this rulemaking (2125-AF67). Note that all comments received will be 
posted without change to: http://www.regulations.gov, including any 
personal information provided.
    Docket: For access to the docket to read background documents or 
comments received, go to http://www.regulations.gov at any time or to 
U.S. Department of Transportation, Docket Operations, M-30, West 
Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE., 
Washington, DC 20950, between 9 a.m. and 5 p.m., Monday through Friday, 
except Federal holidays.

FOR FURTHER INFORMATION CONTACT: Mr. Michael Matzke, Office of Program 
Administration (HIPA-20), (202) 366-4658, or via email at 
michael.matzke@dot.gov, or Mr. Robert Black, Office of the Chief 
Counsel (HCC-30), (202) 366-1373, or via email at robert.black@dot.gov. 
Office hours are from 8:00 a.m. to 4:30 p.m., e.t., Monday through 
Friday, except Federal holidays.

SUPPLEMENTARY INFORMATION:

Electronic Access and Filing

    This document may be viewed online through the Federal eRulemaking 
portal at: http://www.regulations.gov. Electronic submission and 
retrieval help and guidelines are available on the Web site. It is 
available 24 hours each day, 365 days this year. Please follow the 
instructions. An electronic copy of this document may also be 
downloaded from the Office of the Federal Register's Web site at: 
http://www.archives.gov/federal-register and the Government Publishing 
Office's Web site at: http://www.gpo.gov/fdsys. In accordance with 5 
U.S.C. 553(c), DOT solicits comments from the public to better inform 
its rulemaking process. The DOT posts these comments, without edit, 
including any personal information the commenter provides, to 
www.regulations.gov, as described in the system of records notice (DOT/
ALL-14 FDMS), which can be viewed at www.dot.gov/privacy.

Background

    The FHWA proposes to modify its regulations governing new 
construction, reconstruction, resurfacing (except for maintenance 
resurfacing), restoration, and rehabilitation projects on the NHS 
(including the Interstate system), by incorporating by reference the 
current versions of design standards and standard specifications 
previously adopted and incorporated by reference under 23 CFR 625.4, 
and removing the outdated or superseded versions of these standards and 
specifications. Several of these design standards and standard 
specifications were established by the American Association of State 
Highway and Transportation Officials (AASHTO) and the American Welding 
Society (AWS) and were previously adopted by FHWA through rulemaking. 
The new standards or specifications replace previous versions of these 
documents and represent the most recent refinements that professional 
organizations have formally accepted. After review of the various 
standards and specifications, FHWA proposes to adopt them for NHS 
projects.
    The proposed revisions include referencing the 2011 edition of the 
AASHTO A Policy on Geometric Design of Highways and Streets, commonly 
referred to as the Green Book. The proposed revisions also include 
referencing the current version of AASHTO's Load and Resistance Factor 
Design (LRFD) Bridge Design Specifications; LRFD Movable Highway Bridge 
Design Specifications; and Standard Specifications for Structural 
Supports of Highway Signs, Luminaires and Traffic Signals. In addition, 
the proposed revisions would reference the current version of the AWS 
Bridge Welding Code and the Structural Welding Code--Reinforcing Steel.
    The AASHTO is an organization that represents 52 State highway and 
transportation agencies (including the District of Columbia and Puerto 
Rico). Its members consist of the duly constituted heads and other 
chief officials of those agencies. The Secretary of Transportation is 
an ex-officio member, and DOT staff participates in various AASHTO 
activities as nonvoting representatives. Among other functions, AASHTO 
develops and issues standards, specifications, policies, guides and 
related materials for use by the States for highway projects. Many of 
the standards, policies, and standard specifications that were approved 
by FHWA and incorporated into 23 CFR part 625 were developed and issued 
by AASHTO.
    The proposed revisions also include updated versions of welding 
codes published by AWS. The AWS is a nonprofit organization known for 
its code and certification procedures, providing industry standards for 
welding, including in the transportation field. The AWS reports about 
66,000 members worldwide and develops updated materials for welding 
professionals and other interested parties, including those related to 
bridge welding and structural welding. While these adopted standards 
and specifications apply to all projects on the NHS (including the 
Interstate system), FHWA encourages the use of flexibility and a 
context-sensitive approach to consider a full range of project and user 
needs and the impacts to the community and natural and human 
environment. The FHWA encourages State Departments of Transportation 
(State DOTs) and local agencies to consider using design exceptions to 
achieve a design that balances project and user needs, performance, 
cost, environmental implications, and community values. These adopted 
design standards provide a range of acceptable values for highway 
features, and FHWA encourages the use of this flexibility to achieve a 
design that best suits the desires of the community while satisfying 
the purpose for the project and needs of its users.
    At a minimum, State DOTs and local agencies should select design 
values based on an evaluation of the context of the facility, needs of 
all the various project users, safety, mobility (i.e., traffic 
performance), human and natural environmental impacts, and project 
costs. For most situations, there is sufficient flexibility within the 
range of acceptable values to achieve a balanced design. However, when 
this is not possible, a design exception may be appropriate. State and 
local agencies may consider designs that deviate from the design 
standards when warranted based on the conditions, context, and 
consequences of the proposed projects. Additional information on FHWA's 
adopted design standards and design exceptions is available 
electronically at http://www.fhwa.dot.gov/design/standards and in 
FHWA's publication titled Mitigation Strategies for Design Exceptions 
available at http://safety.fhwa.dot.gov/geometric/pubs/mitigationstrategies/fhwa_sa_07011.pdf.
    The proposed rule also would make technical changes to the 
regulatory text consistent with updated Federal Register procedures, 
including updating mailing addresses and including telephone and Web 
site addresses in 23 CFR 625.4(d) pertaining to the availability of 
documents incorporated by reference.

Discussion Under 1 CFR Part 51

    The documents FHWA proposes to incorporate by reference are 
reasonably available to interested parties, primarily State DOTs and 
local agencies carrying out Federal-aid highway projects. These 
documents represent the most recent refinements that professional 
organizations have formally accepted

[[Page 31329]]

and are currently in use by the transportation industry. The documents 
are also available for review at the U.S. Department of 
Transportation's National Transportation Library, the National Archives 
and Records Administration (NARA), or may be obtained from AASHTO or 
AWS. The specific standards are discussed in greater detail elsewhere 
in this preamble.

Section by Section Discussion of the Proposed Changes to 23 CFR Part 
625

    The FHWA proposes to revise Sec.  625.4(a)(1) to replace the 
reference to the 2001 edition of A Policy on Geometric Design of 
Highways and Streets (Policy) with the 2011 edition. The AASHTO 2011 
edition incorporates the latest research and current industry 
practices, with the basic criteria identified for geometric design 
standards remaining essentially the same. This Policy is a 
comprehensive manual to assist State DOTs and local agencies in 
administrative, planning, and educational efforts pertaining to design 
formulation. The Policy includes design guidelines for freeways, 
arterials, collectors, and local roads in both urban and rural 
locations. The Agency considers the changes made in the 2011 version 
minor in nature. Most notably, the changes include improved methods for 
determining stopping and passing site distance and clarifications of 
inconsistencies between the Policy and AASHTO's Roadside Design Guide.
    The FHWA proposes to strike Sec.  625.4(a)(4) because the 
referenced document, Erosion and Sediment Control on Highway 
Construction Projects, is guidance only. Accordingly, the document does 
not carry the force and effect of law, and incorporation by reference 
in the Agency's regulations is unnecessary. The proposed rule would 
redesignate existing Sec. Sec.  625.4(a)(5)-(8) as Sec. Sec.  
625.4(a)(4)-(7), respectively.
    With respect to the design standards and standards specifications 
for bridges and structures under Sec.  625.4(b), FHWA generally 
proposes to adopt the current versions of the standards and 
specifications it has previously adopted from AASHTO and AWS. The 
updated documents contain changes that represent discoveries or 
improvements in the state-of-the-knowledge and practices of State DOTs 
and local agencies that have occurred since the previous standards and 
specifications were incorporated by reference into 23 CFR part 625.
    The NPRM would revise Sec.  625.4(b)(1) to reference the Standard 
Specifications for Highway Bridges, 17th Edition, AASHTO adopted in 
2002 instead of the 15th edition adopted in 1992. The updates 
incorporated into the 17th Edition are minor in nature. They include 
the incorporation of the interim specifications of 1997, 1998, 1999, 
2000, 2001, 2002, and 2003 and other minor updates. However, FHWA 
proposes that with respect to proposed modifications to existing 
bridges, the standard specifications for design may be those that were 
used for the original design of the bridge.
    The FHWA proposes to strike paragraphs (2) through (4) of Sec.  
625.4(b) pertaining to interim specifications for bridges and LRFD 
bridge design specifications. In their place, the NPRM would insert new 
paragraph (2). Proposed paragraph (2) would incorporate by reference 
the current version of the revised AASHTO specifications entitled 
``LRFD Bridge Construction Specifications, 3rd Edition, with the 2010, 
2011, 2012 and 2014 Interim Revisions.'' The AASHTO previously included 
these specifications in its Standard Specifications for Highway 
Bridges, but these specifications are now in a stand-alone document. 
The LRFD Bridge Construction Specifications are intended to complement 
the LRFD Bridge Design Specifications, which the FHWA proposes to 
include under a new paragraph (3).
    The FHWA proposes to strike paragraphs (5) and (6) of Sec.  
625.4(b) and insert a new paragraph (3). Proposed paragraph (3) would 
incorporate by reference AASHTO LRFD Bridge Design Specifications, 7th 
Edition, AASHTO 2014. This change would replace the bridge design 
specifications AASHTO adopted in 1994 that are currently incorporated 
by reference under paragraphs (5) and (6). The 7th Edition updates are 
minor in nature and include clearer direction on seismic isolation 
design. The FHWA required the use of the LRFD Bridge Design 
Specifications on all new and total replacement bridge designs after 
2007.\1\ As such, the LRFD Bridge Construction Specifications rely on 
extensive use of the same statistical modeling methods as the LRFD 
Bridge Design Specifications, but set forth the results in a manner 
readily usable by bridge designers and analysts.
---------------------------------------------------------------------------

    \1\ FHWA Policy Memorandum, ``Clarification of LRFD Policy 
Memorandum,'' January 22, 2007, http://www.fhwa.dot.gov/bridge/012207.cfm.
---------------------------------------------------------------------------

    The FHWA proposes to strike Sec.  625.4(b)(7) and add a new 
paragraph (4) to incorporate by reference the current version of the 
LRFD Movable Highway Bridge Design Specifications, 2nd Edition, 2007, 
and the Interim Revisions that AASHTO adopted in 2008, 2010, 2011, 
2012, 2014, and 2015. This change would replace bridge design 
specifications adopted by AASHTO in 1994. Changes in the 2nd Edition 
are minor and include the treatment of precast concrete component and 
clarification on prequalified details and essential variables for 
fillet welds.
    The FHWA proposes to strike Sec.  625.4(b)(8) and add a new 
paragraph (5) to incorporate by reference the current version of the 
AASHTO/AWS D1.5M/D1.5: 2010 Bridge Welding Code, 6th Edition; AASHTO, 
2010 and the Interim Revisions that AASHTO adopted in 2011 and 2012. 
This code and interim revisions replace those previously adopted by 
AASHTO. Changes in the 6th Edition are minor in nature and include 
consolidation of tables, clarifications for several types of welding, 
and addition of new steel grades to the code.
    The FHWA proposes to strike Sec.  625.4(b)(9) and add a new 
paragraph (6) to incorporate by reference the current version of the 
D1.4/D1.4M: 2011 Structural Welding Code--Reinforcing Steel that the 
American Welding Society adopted in 2011. This code will replace the 
code AASHTO previously adopted in 1992. The changes consist primarily 
of conversion from International System of Units (known as SI) to 
United States customary units.
    The FHWA proposes to strike Sec.  625.4(b)(10) and add a new 
paragraph (7) to incorporate by reference the current version of the 
Standard Specifications for Structural Supports for Highway Sign, 
Luminaires and Traffic Signals, 6th Edition, AASHTO, 2013. This edition 
of the standard specifications will replace those that were previously 
adopted by AASHTO in 1994. Changes in the 6th Edition are minor in 
nature and include new figures for welding of connections, updates to 
hand-hole welds, and updated design methods for support structures.
    Finally, FHWA proposes to redesignate section 625.5(b)(11) as 
paragraph (8), continuing to incorporate by reference navigational 
clearances for bridges under 23 CFR part 650, subpart H.

Rulemaking Analyses and Notices

    All comments received before the close of business on the comment 
closing date indicated above will be considered and will be available 
for examination in the docket at the above address. Comments received 
after the comment closing date will be filed in the docket and will be 
considered to the extent practicable. In addition to late comments, 
FHWA will also continue to file relevant information in the docket

[[Page 31330]]

as it becomes available after the comment period closing date, and 
interested persons should continue to examine the docket for new 
material. A final rule may be published at any time after close of the 
comment period and after DOT has had the opportunity to review the 
comments submitted.

Executive Order 12866 (Regulatory Planning and Review), Executive Order 
13563 (Improving Regulation and Regulatory Review), and DOT Regulatory 
Policies and Procedures

    The FHWA has determined that this action does not constitute a 
significant regulatory action within the meaning of Executive Order 
12866 or within the meaning of DOT regulatory policies and procedures. 
The proposed amendments would update several industry design standards 
and standard specifications adopted and incorporated by reference under 
23 CFR part 625 and would remove the corresponding outdated or 
superseded versions of these standards and specifications. The proposed 
rule also would make technical changes to the regulatory text 
consistent with updated Federal Register procedures.
    In addition, this action complies with the principles of Executive 
Order 13563. After evaluating the costs and benefits of these proposed 
amendments, FHWA anticipates that the economic impact of this 
rulemaking would be minimal. These changes are not anticipated to 
adversely affect, in any material way, any sector of the economy. In 
addition, these changes will not create a serious inconsistency with 
any other agency's action or materially alter the budgetary impact of 
any entitlements, grants, user fees, or loan programs. These updated 
standards and specifications represent the most recent refinements that 
professional organizations have formally accepted, and are currently in 
use by the transportation industry. The FHWA anticipates that the 
economic impact of this rulemaking will be minimal; therefore, a full 
regulatory evaluation is not necessary.

Regulatory Flexibility Act

    In compliance with the Regulatory Flexibility Act (Pub. L. 96-354, 
5 U.S.C. 601-612), FHWA has evaluated the effects of this proposed rule 
on small entities, such as local governments and businesses. Based on 
the evaluation, FHWA anticipates that this action would not have a 
significant economic impact on a substantial number of small entities. 
The proposed amendments would update several industry design standards 
and standard specifications adopted and incorporated by reference under 
23 CFR part 625. The FHWA believes the projected impact upon small 
entities that utilize Federal-aid highway program funding for the 
development of highway improvement projects on the NHS would be 
negligible. Therefore, I certify that the proposed action would not 
have a significant economic impact on a substantial number of small 
entities.

Unfunded Mandates Reform Act of 1995

    The FHWA has determined that this NPRM would not impose unfunded 
mandates as defined by the Unfunded Mandates Reform Act of 1995 (Pub. 
L. 104-4, March 22, 1995, 109 Stat. 48). The actions proposed in this 
NPRM would not result in the expenditure by State, local, and tribal 
governments, in the aggregate, or by the private sector, of $143.1 
million or more in any one year (when adjusted for inflation) in 2012 
dollars for either State, local, and tribal governments in the 
aggregate, or by the private sector. The FHWA will publish a final 
analysis, including its response to public comments, when it publishes 
a final rule. In addition, the definition of ``Federal Mandate'' in the 
Unfunded Mandates Reform Act excludes financial assistance of the type 
in which State, local, or tribal governments have authority to adjust 
their participation in the program in accordance with changes made in 
the program by the Federal Government. The Federal-aid highway program 
permits this type of flexibility.

Executive Order 13132 (Federalism Assessment)

    The FHWA has analyzed this NPRM in accordance with the principles 
and criteria contained in Executive Order 13132. The FHWA has 
determined that this action would not have sufficient federalism 
implications to warrant the preparation of a federalism assessment. The 
FHWA has also determined that this action would not preempt any State 
law or State regulation or affect the States' ability to discharge 
traditional State governmental functions.

Executive Order 12372 (Intergovernmental Review)

    The regulations implementing Executive Order 12372 regarding 
intergovernmental consultation on Federal programs and activities apply 
to this program. This Executive Order applies because State and local 
governments would be directly affected by the proposed regulation, 
which is a condition on Federal highway funding. Local entities should 
refer to the Catalog of Federal Domestic Assistance Program Number 
20.205, Highway Planning and Construction, for further information.

Paperwork Reduction Act

    Under the Paperwork Reduction Act of 1995 (PRA) (44 U.S.C. 3501, et 
seq.), Federal agencies must obtain approval from the Office of 
Management and Budget for each collection of information they conduct, 
sponsor, or require through regulations. The FHWA has determined that 
the proposed rule does not contain collection of information 
requirements for the purposes of the PRA.

National Environmental Policy Act

    The FHWA has analyzed this proposed rule for the purposes of the 
National Environmental Policy Act (NEPA) (42 U.S.C. 4321 et seq.) and 
has determined that this action would not have any effect on the 
quality of the human and natural environment because it only would make 
technical changes and incorporate by reference the latest versions of 
design standards and standard specifications previously adopted and 
incorporated by reference under 23 CFR part 625 and would remove the 
corresponding outdated or superseded versions of these standards and 
specifications. The proposed rule qualifies as a categorical exclusion 
to NEPA under 23 CFR 771.117(c)(20).

Executive Order 13175 (Tribal Consultation)

    The FHWA has analyzed this proposed rule under Executive Order 
13175, dated November 6, 2000, and believes that it would not have 
substantial direct effects on one or more Indian Tribes, would not 
impose substantial direct compliance costs on Indian Tribal 
governments, and would not preempt Tribal law. This proposed rule would 
not impose any direct compliance requirements on Indian Tribal 
governments nor would it have any economic or other impacts on the 
viability of Indian Tribes. Therefore, a Tribal summary impact 
statement is not required.

Executive Order 13211 (Energy Effects)

    The FHWA has analyzed this proposed rule under Executive Order 
13211, Actions Concerning Regulations that Significantly Affect Energy 
Supply, Distribution or Use. The FHWA has determined that this proposed 
action is not a significant energy action under the Executive Order and 
is not likely to have a significant adverse effect on the supply, 
distribution, or use of energy. Therefore, a Statement of Energy 
Effects is not required.

[[Page 31331]]

Executive Order 12630 (Taking of Private Property)

    The FHWA has analyzed this proposed rule under Executive Order 
12630, Governmental Actions and Interference with Constitutionally 
Protected Property Rights. The FHWA does not anticipate that this 
proposed action would effect a taking of private property or otherwise 
have taking implications under Executive Order 12630.

Executive Order 12988 (Civil Justice Reform)

    This action meets applicable standards in sections 3(a) and 3(b)(2) 
of Executive Order 12988, Civil Justice Reform, to minimize litigation, 
eliminate ambiguity, and reduce burden.

Executive Order 13045 (Protection of Children)

    The FHWA has analyzed this proposed action under Executive Order 
13045, Protection of Children from Environmental Health Risks and 
Safety Risks. The FHWA certifies that this proposed action would not 
cause an environmental risk to health or safety that may 
disproportionately affect children.

Executive Order 12898 (Environmental Justice)

    The Executive Order 12898 requires that each Federal agency make 
achieving environmental justice part of its mission by identifying and 
addressing, as appropriate, disproportionately high and adverse human 
health or environmental effects of its programs, policies, and 
activities on minorities and low-income populations. The FHWA has 
determined that this rule does not raise any environmental justice 
issues.

Regulation Identifier Number

    A RIN is assigned to each regulatory action listed in the Unified 
Agenda of Federal Regulations. The Regulatory Information Service 
Center publishes the Unified Agenda in April and October of each year. 
The RIN number contained in the heading of this document can be used to 
cross-reference this action with the Unified Agenda.

List of Subjects in 23 CFR Part 625

    Design standards, Grant programs--transportation, Highways and 
roads, Incorporation by reference.

    Issued on: May 21, 2015.
Gregory G. Nadeau,
Acting Administrator, Federal Highway Administration.
    In consideration of the foregoing, the FHWA proposes to revise 23 
CFR part 625 as follows:

PART 625--DESIGN STANDARDS FOR HIGHWAYS

0
1. The authority citation for part 625 continues to read as follows:

    Authority: 23 U.S.C. 109, 215, and 402; Sec. 1073 of Pub. L. 
102-240, 105 Stat. 1914, 2012; 49 CFR 1.48(b) and (n).

0
2. In Sec.  625.4, revise paragraphs (a), (b) and (d) to read as 
follows:


Sec.  625.4  Standards, policies, and standard specifications.

    (a) Roadway and appurtenances. (1) A Policy on Geometric Design of 
Highways and Streets, AASHTO 2011.
    (2) A Policy on Design Standards Interstate System, AASHTO, January 
2005.
    (3) The geometric design standards for resurfacing, restoration, 
and rehabilitation (RRR) projects on NHS highways other than freeways 
shall be the procedures and the design or design criteria established 
for individual projects, groups of projects, or all non-freeway RRR 
projects in a State, and as approved by the FHWA. The other geometric 
design standards in this section do not apply to RRR projects on NHS 
highways other than freeways, except as adopted on an individual State 
basis. The RRR design standards shall reflect the consideration of the 
traffic, safety, economic, physical, community, and environmental needs 
of the projects.
    (4) Location and Hydraulic Design of Encroachments on Flood Plains, 
refer to 23 CFR part 650, subpart A.
    (5) Procedures for Abatement of Highway Traffic Noise and 
Construction Noise, refer to 23 CFR part 772.
    (6) Accommodation of Utilities, refer to 23 CFR part 645, subpart 
B.
    (7) Pavement Design, refer to 23 CFR part 626.
    (b) Bridges and structures. (1) For existing bridges originally 
designed to any edition of the AASHTO Standard Specifications for 
Highway Bridges, modifications may be designed to the Standard 
Specifications for Highway Bridges, 17th Edition, AASHTO 2002, or to 
the standards and specifications that are listed in Sec.  625.4(b). 
[See Sec.  625.4(d)(1)]
    (2) AASHTO LRFD Bridge Construction Specifications, 3rd Edition, 
with 2010, 2011, 2012, and 2014 Interim Revisions, AASHTO. [See Sec.  
625.4(d)(1)]
    (3) AASHTO LRFD Bridge Design Specifications, 7th Edition, AASHTO 
2014. [See Sec.  625.4(d)(1)]
    (4) AASHTO LRFD Movable Highway Bridge Design Specifications, 2nd 
Edition, including 2008, 2010, 2011, 2012, 2014, and 2015 Interim 
Revisions, AASHTO 2007. [See Sec.  625.4(d)(1)]
    (5) AASHTO/AWS D1.5M/D1.5: 2010 Bridge Welding Code, 6th Edition, 
with 2011 and 2012 Interim Revisions, AASHTO 2011. [See Sec.  
625.4(d)(1)]
    (6) D1.4/D1.4M: 2011Structural Welding Code-Reinforcing Steel, 
American Welding Society, 2011. [See Sec.  625.4(d)(2)]
    (7) Standard Specifications for Structural Supports for Highway 
Signs, Luminaires and Traffic Signals, 6th Edition, AASHTO 2013. [See 
Sec.  625.4(d)(1)]
    (8) Navigational Clearances for Bridges, refer to 23 CFR part 650, 
subpart H.
* * * * *
    (d) Documents incorporated by reference. The Director of the 
Federal Register approves the incorporation by reference of the 
documents listed in this section in accordance with 5 U.S.C. 552(a) and 
1 CFR part 51. The documents listed in Sec.  625.4 are incorporated by 
reference and available for inspection at the U.S. Department of 
Transportation's National Transportation Library at 1200 New Jersey 
Avenue SE., Washington, DC 20590; (800) 853-1351. The documents also 
are available for inspection at the National Archives and Records 
Administration (NARA). For information on the availability of this 
material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. Copies 
of these documents may be obtained from the following organizations:
    (1) American Association of State Highway and Transportation 
Officials (AASHTO), Suite 249, 444 North Capitol Street, NW., 
Washington, DC 20001; www.transportation.org; or (202) 624-5800.
    (i) A Policy on Geometric Design of Highways and Streets, AASHTO 
2011.
    (ii) A Policy on Design Standards Interstate System, AASHTO, 
January 2005.
    (iii) Standard Specifications for Highway Bridges, 17th Edition, 
AASHTO 2002.
    (iv) AASHTO LRFD Bridge Construction Specifications, 3rd Edition, 
with 2010, 2011, 2012, and 2014 Interim Revisions.

[[Page 31332]]

    (v) AASHTO LRFD Bridge Design Specifications, 7th Edition, AASHTO 
2014.
    (vi) AASHTO LRFD Movable Highway Bridge Design Specifications, 2nd 
Edition, including 2008, 2010, 2011, 2012, 2014, and 2015 Interim 
Revisions, AASHTO 2007.
    (vii) AASHTO/AWS D1.5M/D1.5: 2010 Bridge Welding Code, 6th Edition, 
with 2011 and 2012 Interim Revisions, AASHTO 2011.
    (viii) Standard Specifications for Structural Supports for Highway 
Signs, Luminaires and Traffic Signals, 6th Edition, AASHTO 2013.
    (2) American Welding Society (AWS), 8669 NW 36 Street, # 130 Miami, 
FL 33166-6672; www.aws.org; or (800) 443-9353 or (305) 443-9353.
    (i) D1.4/D1.4M: 2011 Structural Welding Code--Reinforcing Steel, 
American Welding Society, 2011.
    (ii) [Reserved]

[FR Doc. 2015-13097 Filed 6-1-15; 8:45 am]
 BILLING CODE 4910-22-P

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