I 
119TH CONGRESS 
1ST SESSION H. R. 3647 
To direct the Administrator of the Federal Railroad Administration to conduct 
a study to identify potential benefits and challenges of implementing 
and using sensors enabled with artificial intelligence as a safety measure 
at rail crossings, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
MAY 29, 2025 
Mr. MULLIN introduced the following bill; which was referred to the 
Committee on Transportation and Infrastructure 
A BILL 
To direct the Administrator of the Federal Railroad Adminis-
tration to conduct a study to identify potential benefits 
and challenges of implementing and using sensors en-
abled with artificial intelligence as a safety measure at 
rail crossings, and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Study on AI For En-
hanced Crossing Safety Act’’ or the ‘‘SAFE CROSS Act’’. 
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SEC. 2. STUDY ON AI-ENABLED SENSORS AT RAIL CROSS-
INGS. 
(a) STUDY.—Not later than 1 year after the date of 
enactment of this Act, the Administrator of the Federal 
Railroad Administration, acting through the Associate Ad-
ministrator for Railroad Safety, shall conduct a study to 
identify any potential benefits and challenges of imple-
menting and using sensors enabled with artificial intel-
ligence at rail crossings as a safety measure to reduce pe-
destrian and traffic accidents. 
(b) ELEMENTS.—The study in subsection (a) shall 
include the following: 
(1) A review by the Administrator of— 
(A) any existing pilot program regarding 
the implementation of sensors enabled with ar-
tificial intelligence at rail crossings; and 
(B) any deployment of such sensors at rail 
crossings. 
(2) A cost-benefit analysis comparing sensors 
enabled with artificial intelligence and other safety 
enhancement measures that may be used at rail 
crossings, such as grade separations. 
(3) Identification by the Administrator of best 
practices with respect to implementing and using 
sensors enabled with artificial intelligence at rail 
crossings. 
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(c) PUBLICATION.—Not later than 30 days after the 
date on which the study under subsection (a) is complete, 
the Administrator shall publish to a publicly accessible 
website of the Office of Railroad Safety of the Federal 
Railroad Administration— 
(1) the results of the study; and 
(2) best practices and recommendations of the 
Administrator with respect to implementing and 
using sensors enabled with artificial intelligence at 
rail crossings for use by— 
(A) Federal, State, Tribal, and local gov-
ernmental entities that regulate rail crossing 
safety; and 
(B) any private entity that is legally re-
quired to maintain safety technology at rail 
crossings. 
Æ 
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