SEC. 3. GAO ASSESSMENTS. 
(a) ASSESSMENT OF METHODOLOGY FOR MAP–21 
RESTART STUDY.— 
(1) IN GENERAL.—After completion of the field 
study and submission of the report regarding such 
study by the Administrator of the Federal Motor 
Carrier Safety Administration, required by section 
32301 of MAP–21, the Comptroller General shall 
conduct an assessment of the methodology followed 
by the Secretary of Transportation in carrying out 
the efficacy of the restart rule published on Decem-
ber 27, 2011. 
(2) PURPOSE.—The purpose of the assessment 
shall be to assess the extent to which the method-
ology meets the requirement of MAP–21 that— 
(A) the data collected is representative of 
the drivers subject to the restart rule; 
(B) the methodology is statistically valid; 
and 
(C) the study followed the plan for the 
‘‘Scheduling and Fatigue Recovery Project’’ de-
veloped by the Federal Motor Carrier Safety 
Administration. 
(b) ASSESSMENT OF REGULATORY IMPACT ANAL-
YSIS.— 
VerDate Mar 15 2010 
00:00 Nov 13, 2013
Jkt 039200
PO 00000
Frm 00003
Fmt 6652
Sfmt 6201
E:\BILLS\H3413.IH
H3413
mstockstill on DSK4VPTVN1PROD with BILLS
(1) IN
GENERAL.—The Comptroller General 
shall conduct an assessment of the Regulatory Im-
pact Analysis that accompanied the final rule pub-
lished by the Department of Transportation in the 
Federal Register on December 27, 2011, entitled 
‘‘Hours of Service of Drivers’’ (76 Fed. Reg. 
81134). 
(2) PURPOSE.—The purpose of the GAO as-
sessment shall be— 
(A) to conduct an analysis of the method-
ology and data used by the Federal Motor Car-
rier Safety Administration in its Regulatory Im-
pact Analysis; 
(B) to evaluate the validity and representa-
tiveness of the driver data used to evaluate the 
operational and economic impacts of the new 
34-hour restart rule applicable to operators of 
commercial motor vehicles; 
(C) to conduct an analysis of the data and 
methodology used to develop the proposed safe-
ty and health benefits of the new 34-hour re-
start rule applicable to operators of commercial 
motor vehicles; 
(D) to review the safety, health, cost, and 
operational implications of the restart rule, and 
VerDate Mar 15 2010 
18:18 Nov 06, 2013
Jkt 039200
PO 00000
Frm 00004
Fmt 6652
Sfmt 6201
E:\BILLS\H3413.IH
H3413
mstockstill on DSK4VPTVN1PROD with BILLS
the potential impact of a greater number of 
commercial motor vehicles on major roads dur-
ing ‘‘morning commutes’’ as a result of the re-
start rule; and 
(E) review the research used in developing 
and justifying the new restart rule, particularly 
as it relates to the use of a laboratory test to 
justify the rule rather than an operational test 
in the field. 
(c) REPORTS.—Not later than 1 year after the date 
of enactment of this Act, the Comptroller General shall 
submit a final report to the appropriate committees of 
Congress on the assessments required under subsections 
(a) and (b), including any recommendations. 
SEC. 4. DELAY IN APPLICATION OF RULE. 
(a) DELAY IN APPLICATION OF RULE.—Effective as 
of the date of enactment of this Act, the restart rule pub-
lished by the Department of Transportation in the Federal 
Register on December 27, 2011, shall have no force or 
effect until 6 months after the study report required by 
this Act has been submitted to Congress. 
(b) APPLICATION OF PREVIOUS RULE PROVISION.— 
For the period specified under subsection (a), the 34-hour 
restart rule issued on April 28, 2003 (68 Fed. Reg. 
22456), shall be in effect. 
VerDate Mar 15 2010 
18:18 Nov 06, 2013
Jkt 039200
PO 00000
Frm 00005
Fmt 6652
Sfmt 6201
E:\BILLS\H3413.IH
H3413
mstockstill on DSK4VPTVN1PROD with BILLS
(c) DECEMBER 2011 RULE.—The Secretary shall not 
apply the rule described in subsection (a) if the conclu-
sions of the operational study completed pursuant to 
MAP–21 do not support or concur with the conclusions 
of the laboratory study on which the rule was based. 
Æ 
VerDate Mar 15 2010 
18:18 Nov 06, 2013
Jkt 039200
PO 00000
Frm 00006
Fmt 6652
Sfmt 6301
E:\BILLS\H3413.IH
H3413
mstockstill on DSK4VPTVN1PROD with BILLS