IB 
Union Calendar No. 393 
111TH CONGRESS 
2D SESSION 
H. R. 1997 
[Report No. 111–614, Part I] 
To direct the Secretary of Transportation to update a research report and 
issue guidance to the States with respect to reducing lighting on the 
Federal-aid system during periods of low traffic density, and for other 
purposes. 
IN THE HOUSE OF REPRESENTATIVES 
APRIL 21, 2009 
Mr. GERLACH introduced the following bill; which was referred to the Com-
mittee on Transportation and Infrastructure, and in addition to the Com-
mittee on Science and Technology, for a period to be subsequently deter-
mined by the Speaker, in each case for consideration of such provisions 
as fall within the jurisdiction of the committee concerned 
SEPTEMBER 22, 2010 
Reported from the Committee on Transportation and Infrastructure 
SEPTEMBER 22, 2010 
Referral to the Committee on Science and Technology extended for a period 
ending not later than November 15, 2010 
NOVEMBER 15, 2010 
Committee on Science and Technology discharged; committed to the Com-
mittee of the Whole House on the State of the Union and ordered to be 
printed 
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A BILL 
To direct the Secretary of Transportation to update a re-
search report and issue guidance to the States with 
respect to reducing lighting on the Federal-aid system 
during periods of low traffic density, and for other pur-
poses. 
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Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. RESEARCH AND GUIDANCE WITH RESPECT TO 
REDUCING LIGHTING ON THE FEDERAL-AID 
SYSTEM DURING PERIODS OF LOW TRAFFIC 
DENSITY. 
(a) UPDATE OF RESEARCH REPORT.— 
(1) IN
GENERAL.—Not later than 120 days 
after the date of the enactment of this Act, the Sec-
retary of Transportation, acting through the Admin-
istrator of the Federal Highway Administration and 
in cooperation with the American Association of 
State Highway and Transportation Officials, shall 
update the research report of the Federal Highway 
Administration entitled ‘‘Reduced Lighting On Free-
ways During Periods Of Low Traffic Density’’, 
FHWA/RD–86/018, August 1985. 
(2) ISSUES TO ADDRESS IN UPDATE.—In up-
dating the report described in paragraph (1), the 
Secretary shall address, with respect to the Federal- 
aid system, the following: 
(A) The optimal times and conditions for 
reducing lighting. 
(B) The appropriate lighting levels for var-
ious roads and road features. 
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(C) The appropriate manner in which to 
carry out reducing lighting. 
(D) The energy savings and reduction in 
greenhouse gases that may result from reducing 
lighting. 
(E) Any legal issues relating to reducing 
lighting, including the development of such 
issues since the release of the report described 
in paragraph (1). 
(b) GUIDANCE TO STATES.—Not later than 180 days 
after the date of the enactment of this Act, the Secretary 
of Transportation shall issue guidance to the States with 
respect to reducing lighting on the Federal-aid system 
during periods of low traffic density. The Secretary shall 
base such guidance on the updated research report com-
pleted in accordance with subsection (a). 
(c) DEFINITIONS.—In this section, the following defi-
nitions apply: 
(1) FEDERAL-AID
SYSTEM.—The term ‘‘Fed-
eral-aid system’’ has the meaning given such term in 
section 101(6) of title 23, United States Code. 
(2) STATE.—The term ‘‘State’’ has the mean-
ing given such term in section 101(32) of title 23, 
United States Code. 
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Union Calendar No. 393 
111TH CONGRESS 
2D SESSION 
H. R. 1997 
[Report No. 111–614, Part I] 
A BILL 
To direct the Secretary of Transportation to update 
a research report and issue guidance to the 
States with respect to reducing lighting on the 
Federal-aid system during periods of low traffic 
density, and for other purposes. 
NOVEMBER 15, 2010 
Committee on Science and Technology discharged; com-
mitted to the Committee of the Whole House and on 
the State of the Union and ordered to be printed 
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