In subsection (a), the text of 49 App.:2304(a)(1) and the references to fiscal years ending September 30, 1987–1992, are omitted as obsolete.

In subsection (b), the text of 49 App.:2304(e) is omitted as superseded by 49 App.:2304(c) restated by section 4002(f) of the Intermodal Surface Transportation Efficiency Act of 1991 (Public Law 102–240, 105 Stat. 2142) and restated in this subsection.

In subsection (b)(2), the words "Amounts made available under section 404(a)(2) of the Surface Transportation Assistance Act of 1982 before October 1, 1991" are substituted for "Funds made available under this subchapter" for clarity and because of the restatement.

In subsection (c), the words "Funds authorized to be appropriated" are omitted because of the omission of 49 App.:2304(a)(1) as obsolete.

In subsection (e), the words "for administrative expenses incurred in carrying out section 31102 of this title" are substituted for "for administration of this section" for clarity and consistency with the source provisions restated in this section and section 31102 of the revised title.

In subsection (i), before clause (1), the words "Not later than 6 months after December 18, 1991" are omitted as obsolete. The words "for grants under section 31102(a) of this title" are substituted for "under the motor carrier safety assistance program" for clarity and because of the restatement. The words "In prescribing those regulations" are substituted for "In conducting such a revision" because of the restatement.

In subsection (j), the words "Not later than 9 months after December 18, 1991" are omitted as obsolete. The word "final" is omitted as unnecessary. The words "regulations to be enforced under section 31102(a) of this title" are substituted for "under the motor carrier safety assistance program" for clarity and because of the restatement.

Amendments

2015—Pub. L. 114–94, §5101(c), amended section generally. Prior to amendment, section related to availability of appropriated amounts.

Subsec. (a)(10). Pub. L. 114–94, §5105(a), added par. (10) and struck out former par. (10) which read as follows: "$218,000,000 for fiscal year 2015; and".

Pub. L. 114–41, §1102(a)(2), added par. (10) and struck out former par. (10) which read as follows: "$181,567,123 for the period beginning on October 1, 2014, and ending on July 31, 2015."

Pub. L. 114–21, §1102(a), amended par. (10) generally. Prior to amendment, par. (10) read as follows: "$145,134,247 for the period beginning on October 1, 2014, and ending on May 31, 2015."

Subsec. (a)(11). Pub. L. 114–94, §5105(a), added par. (11) and struck out former par. (11) which read as follows: "$38,715,847 for the period beginning on October 1, 2015, and ending on December 4, 2015."

Pub. L. 114–87, §1102(a), amended par. (11) generally. Prior to amendment, par. (11) read as follows: "$30,377,049 for the period beginning on October 1, 2015, and ending on November 20, 2015."

Pub. L. 114–73, §1102(a), amended par. (11) generally. Prior to amendment, par. (11) read as follows: "$17,273,224 for the period beginning on October 1, 2015, and ending on October 29, 2015."

Pub. L. 114–41, §1102(a), added par. (11).

Subsec. (i). Pub. L. 114–94, §5103(c)(1), redesignated subsec. (j) as (i) and struck out former subsec. (i) which related to authorization of appropriations for certain administrative expenses of the Federal Motor Carrier Safety Administration. See section 31110 of this title.

Subsec. (i)(1)(J). Pub. L. 114–41, §1102(b)(2), added subpar. (J) and struck out former subpar. (J) which read as follows: "$215,715,068 for the period beginning on October 1, 2014, and ending on July 31, 2015."

Pub. L. 114–21, §1102(b), amended subpar. (J) generally. Prior to amendment, subpar. (J) read as follows: "$172,430,137 for the period beginning on October 1, 2014, and ending on May 31, 2015."

Subsec. (i)(1)(K). Pub. L. 114–87, §1102(b), amended subpar. (K) generally. Prior to amendment, subpar. (K) read as follows: "$36,090,164 for the period beginning on October 1, 2015, and ending on November 20, 2015."

Pub. L. 114–73, §1102(b), amended subpar. (K) generally. Prior to amendment, subpar. (K) read as follows: "$20,521,858 for the period beginning on October 1, 2015, and ending on October 29, 2015."

Pub. L. 114–41, §1102(b), added subpar. (K).

Subsec. (j). Pub. L. 114–94, §5103(c)(1)(B), redesignated subsec. (k) as (j). Former subsec. (j) redesignated (i).

Subsec. (j)(2). Pub. L. 114–94, §5105(c), substituted "2016 for States," for "2015 and up to $2,663,934 for the period beginning on October 1, 2015, and ending on December 4, 2015, for States,".

Subsec. (k). Pub. L. 114–94, §5103(c)(1)(B), redesignated subsec. (k) as (j).

Subsec. (k)(2). Pub. L. 114–87, §1102(d), substituted "and up to $2,663,934 for the period beginning on October 1, 2015, and ending on December 4, 2015," for "and up to $2,090,164 for the period beginning on October 1, 2015, and ending on November 20, 2015,".

Pub. L. 114–73, §1102(d), substituted "and up to $2,090,164 for the period beginning on October 1, 2015, and ending on November 20, 2015," for "and up to $1,188,525 for the period beginning on October 1, 2015, and ending on October 29, 2015,".

Pub. L. 114–41, §1102(d), substituted "each of fiscal years 2006 through 2015 and up to $1,188,525 for the period beginning on October 1, 2015, and ending on October 29, 2015," for "each of fiscal years 2006 through 2014 and up to $12,493,151 for the period beginning on October 1, 2014, and ending on July 31, 2015,".

Pub. L. 114–21, §1102(d), substituted "and up to $12,493,151 for the period beginning on October 1, 2014, and ending on July 31, 2015," for "and up to $9,986,301 for the period beginning on October 1, 2014, and ending on May 31, 2015,".

2014—Subsec. (a)(10). Pub. L. 113–159, §1102(a), added par. (10).

Subsec. (i)(1)(J). Pub. L. 113–159, §1102(b), added subpar. (J).

Subsec. (k)(2). Pub. L. 113–159, §1102(d), inserted "and up to $9,986,301 for the period beginning on October 1, 2014, and ending on May 31, 2015," after "2014".

2012—Subsec. (a)(7). Pub. L. 112–141, §32603(a)(1), struck out "and" at end.

Subsec. (a)(8). Pub. L. 112–141, §112002(a), amended par. (8) generally. Prior to amendment, par. (8) read as follows: "$159,000,000 for the period beginning on October 1, 2011, and ending on June 30, 2012."

Pub. L. 112–141, §32603(a)(2), (3), added par. (8) and struck out former par. (8) which read as follows: "$212,000,000 for fiscal year 2012."

Pub. L. 112–140, §§1(c), 202(a), temporarily amended par. (8) generally, authorizing $161,120,000 for the period beginning on Oct. 1, 2011, and ending on July 6, 2012. See Effective and Termination Dates of 2012 Amendment note below.

Pub. L. 112–102, §202(a), amended par. (8) generally. Prior to amendment, par. (8) read as follows: "$106,000,000 for the period beginning on October 1, 2011, and ending on March 31, 2012."

Subsec. (a)(9). Pub. L. 112–141, §32603(a)(3), added par. (9).

Subsec. (i)(1)(F). Pub. L. 112–141, §112002(b)(2), struck out open quotation marks and duplicate subpar. (F) designation after "(F)".

Subsec. (i)(1)(G). Pub. L. 112–141, §32603(b)(1), struck out "and" at end.

Subsec. (i)(1)(H). Pub. L. 112–141, §112002(b)(1), amended subpar. (H) generally. Prior to amendment, subpar. (H) read as follows: "$183,108,000 for the period beginning on October 1, 2011, and ending on June 30, 2012."

Pub. L. 112–141, §32603(b)(2), (3), added subpar. (H) and struck out former subpar. (H) which read as follows: "$244,144,000 for fiscal year 2012."

Pub. L. 112–140, §§1(c), 202(b), temporarily amended subpar. (H) generally, authorizing $185,549,440 for the period beginning on Oct. 1, 2011, and ending on July 6, 2012. See Effective and Termination Dates of 2012 Amendment note below.

Pub. L. 112–102, §202(b), amended subpar. (H) generally. Prior to amendment, subpar. (H) read as follows: "$122,072,000 for the period beginning on October 1, 2011, and ending on March 31, 2012."

Subsec. (i)(1)(I). Pub. L. 112–141, §32603(b)(3), added subpar. (I).

Subsec. (k)(2). Pub. L. 112–141, §32603(d), substituted "2014" for "2011 and $11,250,000 for the period beginning on October 1, 2011, and ending on June 30, 2012,".

Pub. L. 112–140, §§1(c), 202(d), temporarily substituted "2011 and $11,400,000 for the period beginning on October 1, 2011, and ending on July 6, 2012," for "2011 and $11,250,000 for the period beginning on October 1, 2011, and ending on June 30, 2012,". See Effective and Termination Dates of 2012 Amendment note below.

Pub. L. 112–102, §202(d), substituted "2011 and $11,250,000 for the period beginning on October 1, 2011, and ending on June 30, 2012," for "2011 and $7,500,000 for the period beginning on October 1, 2011, and ending on March 31, 2012,".

2011—Subsec. (a)(7). Pub. L. 112–5, §202(a), amended par. (7) generally. Prior to amendment, par. (7) read as follows: "$88,753,000 for the period beginning October 1, 2010, and ending on March 4, 2011."

Subsec. (a)(8). Pub. L. 112–30, §122(a), added par. (8).

Subsec. (i)(1)(G). Pub. L. 112–5, §202(b), amended subpar. (G) generally, substituting "(G) $244,144,000 for fiscal year 2011." for "(G) '(G) $103,678,000 for the period beginning October 1, 2010, and ending on March 4, 2011."

Subsec. (i)(1)(H). Pub. L. 112–30, §122(b), added subpar. (H).

Subsec. (k)(2). Pub. L. 112–30, §122(d), substituted "2011 and $7,500,000 for the period beginning on October 1, 2011, and ending on March 31, 2012," for "2011".

Pub. L. 112–5, §202(d), substituted "through 2011" for "through 2010 and $6,370,000 for the period beginning October 1, 2010, and ending on March 4, 2011".

2010—Subsec. (a)(6). Pub. L. 111–147, §422(a), added par. (6).

Subsec. (a)(7). Pub. L. 111–322, §2202(a), substituted "$88,753,000 for the period beginning October 1, 2010, and ending on March 4, 2011." for "$52,679,000 for the period beginning on October 1, 2010, and ending on December 31, 2010."

Pub. L. 111–147, §422(a), added par. (7).

Subsec. (i)(1)(F). Pub. L. 111–147, §422(b), added subpar. (F).

Subsec. (i)(1)(G). Pub. L. 111–322, §2202(b), substituted "$103,678,000 for the period beginning October 1, 2010, and ending on March 4, 2011." for "$61,036,000 for the period beginning on October 1, 2010, and ending on December 31, 2010."

Pub. L. 111–147, §422(b), added subpar (G).

Subsec. (k)(2). Pub. L. 111–322, §2202(d), substituted "2010 and $6,370,000 for the period beginning October 1, 2010, and ending on March 4, 2011" for "2009, $15,000,000 for fiscal year 2010, and $3,781,000 for the period beginning on October 1, 2010, and ending on December 31, 2010".

Pub. L. 111–147, §422(d), substituted "2009, $15,000,000 for fiscal year 2010, and $3,781,000 for the period beginning on October 1, 2010, and ending on December 31, 2010" for "2009".

2008—Subsec. (f). Pub. L. 110–244 struck out par. (1) designation and heading before "On October" and struck out par. (2) which permitted the Secretary to designate certain allocated amounts for high-priority and border activities.

2005—Subsec. (a). Pub. L. 109–59, §4101(a), reenacted heading without change and amended text of subsec. (a) generally. Prior to amendment, text contained pars. (1) to (8) making amounts available from the Highway Trust Fund (other than the Mass Transit Account) for the Secretary of Transportation to incur obligations to carry out section 31102 for fiscal years 1998 to 2004 and part of 2005.

Subsec. (a)(8). Pub. L. 109–40 amended par. (8) generally. Prior to amendment, par. (8) read as follows: "Not more than $138,904,110 for the period of October 1, 2004, through July 27, 2005."

Pub. L. 109–37 amended par. (8) generally. Prior to amendment, par. (8) read as follows: "Not more than $136,589,041 for the period of October 1, 2004, through July 21, 2005."

Pub. L. 109–35 amended par. (8) generally. Prior to amendment, par. (8) read as follows: "Not more than $135,200,000 for the period of October 1, 2004, through July 19, 2005."

Pub. L. 109–20 amended par. (8) generally. Prior to amendment, par. (8) read as follows: "Not more than $126,402,740 for the period of October 1, 2004, through June 30, 2005."

Pub. L. 109–14 amended par. (8) generally. Prior to amendment, par. (8) read as follows: "Not more than $112,512,329 for the period of October 1, 2004, through May 31, 2005."

Subsecs. (i), (j). Pub. L. 109–59, §4101(b), added subsecs. (i) and (j).

Subsec. (k). Pub. L. 109–59, §4107(a), added subsec. (k).

2004—Subsec. (a)(7). Pub. L. 108–280 amended par. (7) generally. Prior to amendment, par. (7) read as follows: "Not more than $140,833,333 for the period of October 1, 2003, through July 31, 2004."

Pub. L. 108–263 amended par. (7) generally. Prior to amendment, par. (7) read as follows: "Not more than $126,519,126 for the period of October 1, 2003, through June 30, 2004."

Pub. L. 108–224 amended par. (7) generally. Prior to amendment, par. (7) read as follows: "Not more than $98,352,000 for the period of October 1, 2003, through April 30, 2004."

Pub. L. 108–202 amended par. (7) generally. Prior to amendment, par. (7) read as follows: "Not more than $68,750,000 for the period of October 1, 2003, through February 29, 2004."

Subsec. (a)(8). Pub. L. 108–310 added par. (8).

2003—Subsec. (a)(7). Pub. L. 108–88 added par. (7).

1998—Subsec. (a). Pub. L. 105–178, §4003(e), amended heading and text of subsec. (a) generally, substituting provisions relating to appropriations for fiscal years 1998 to 2003 for provisions relating to appropriations for fiscal years ending Sept. 30, 1993 to 1997 and for period of Oct. 1, 1997 through Mar. 31, 1998.

Subsec. (b). Pub. L. 105–178, §4003(f), struck out par. (1) designation and par. (2) which read as follows: "Amounts made available under section 404(a)(2) of the Surface Transportation Assistance Act of 1982 before October 1, 1991, that are not obligated on October 1, 1992, are available for reallocation and obligation under paragraph (1) of this subsection."

Subsec. (f). Pub. L. 105–178, §4003(g)(1), added subsec. (f) and struck out heading and text of former subsec. (f). Text read as follows: "On October 1 of each fiscal year or as soon after that date as practicable, the Secretary, after making the deduction described in subsection (e) of this section, shall allocate under criteria the Secretary establishes the amounts available for that fiscal year among the States with plans approved under section 31102 of this title. However, the Secretary may designate specific eligible States among which to allocate those amounts in allocating amounts available—

"(1) for research, development, and demonstration under subsection (g)(1)(F) of this section; and

"(2) for public education under subsection (g)(1)(G) of this section."

Subsec. (g). Pub. L. 105–178, §4003(g)(1), (2), redesignated subsec. (h) as (g) and struck out former subsec. (g) which related to specific allocations.

Subsec. (h). Pub. L. 105–178, §4003(g)(4), redesignated subsec. (j) as (h). Former subsec. (h) redesignated (g).

Subsec. (i). Pub. L. 105–178, §4003(g)(3), struck out heading and text of subsec. (i). Text read as follows: "The Secretary shall prescribe regulations to develop an improved formula and process for allocating amounts made available for grants under section 31102(a) of this title among States eligible for those amounts. In prescribing those regulations, the Secretary shall—

"(1) consider ways to provide incentives to States that demonstrate innovative, successful, cost-efficient, or cost-effective programs to promote commercial motor vehicle safety and hazardous material transportation safety;

"(2) place special emphasis on incentives to States that conduct traffic safety enforcement activities that are coupled with motor carrier safety inspections; and

"(3) consider ways to provide incentives to States that increase compatibility of State commercial motor vehicle safety and hazardous material transportation regulations with Government safety regulations and promote other factors intended to promote effectiveness and efficiency the Secretary decides are appropriate."

Subsec. (j). Pub. L. 105–178, §4003(g)(4), redesignated subsec. (j) as (h).

1997—Subsec. (a). Pub. L. 105–130 substituted "Not more" for "not more" in pars. (1) to (5) and added par. (6).

Effective Date of 2015 Amendment

Amendment by sections 5103(c)(1) and 5105(a), (c) of Pub. L. 114–94 effective Oct. 1, 2015, see section 1003 of Pub. L. 114–94, set out as a note under section 5313 of Title 5, Government Organization and Employees.

Amendment by section 5101(c) of Pub. L. 114–94 effective Oct. 1, 2016, subject to a transition provision, see section 5101(f), (g) of Pub. L. 114–94, set out as Effective Date of 2015 Amendment and Transition notes under section 31102 of this title.

Effective and Termination Dates of 2012 Amendment

Amendment by section 32603(a), (b) of Pub. L. 112–141 effective Oct. 1, 2012, see section 3(a) of Pub. L. 112–141, set out as a note under section 101 of Title 23, Highways.

Amendment by section 112002(a), (b) of Pub. L. 112–141 effective July 1, 2012, see section 114001 of Pub. L. 112–141, set out as a note under section 5305 of this title.

Amendment by Pub. L. 112–140 to cease to be effective on July 6, 2012, with text as amended by Pub. L. 112–140 to revert back to read as it did on the day before June 29, 2012, and amendments by Pub. L. 112–141 to be executed as if Pub. L. 112–140 had not been enacted, see section 1(c) of Pub. L. 112–140, set out as a note under section 101 of Title 23, Highways.

Funding

Pub. L. 109–59, title IV, §4116(d), Aug. 10, 2005, 119 Stat. 1728, as amended by Pub. L. 114–94, div. A, title V, §5103(c)(2), Dec. 4, 2015, 129 Stat. 1527, provided that: "Amounts made available pursuant to section 31110 of title 49, United States Code, shall be used by the Secretary [of Transportation] to carry out section 31149 of title 49, United States Code."

Increased Authorizations for Motor Carrier Safety Grants

Pub. L. 105–178, title IV, §4003(i), as added by Pub. L. 106–159, title I, §103(b)(1), Dec. 9, 1999, 113 Stat. 1753, provided that: "The amount made available to incur obligations to carry out section 31102 of title 49, United States Code, by section 31104(a) of such title for each of fiscal years 2001 through 2003 shall be increased by $65,000,000."