1. Short title This Act may be cited as the AMBER Alert Nationwide Act of 2018 . 2. Cooperation with Department of Homeland Security Subtitle A of title III of the PROTECT Act ( 34 U.S.C. 20501 et seq.) is amended— (1) in section 301— (A) in subsection (b)(1), by inserting after gaps in areas of interstate travel the following: (including airports, maritime ports, border crossing areas and checkpoints, and ports of exit from the United States) ; and (B) in subsection (d), by inserting after Secretary of Transportation the following: , the Secretary of Homeland Security, ; and (2) in section 302(c), by inserting after Secretary of Transportation the following: , the Secretary of Homeland Security, . 3. AMBER Alerts along major transportation routes Section 303 of the PROTECT Act ( 34 U.S.C. 20503 ) is amended— (1) in subsection (b), by inserting after Secretary of Transportation the following: (referred to in this section as the Secretary ) ; (2) in the heading, by inserting after along highways the following: and major transportation routes ; (3) in subsection (a), by inserting after along highways the following: and at airports, maritime ports, border crossing areas and checkpoints, and ports of exit from the United States ; (4) in subsection (b)— (A) in paragraph (1)— (i) by striking other motorist information systems to notify motorists and inserting other information systems to notify motorists, aircraft passengers, ship passengers, and travelers ; and (ii) by inserting after necessary to notify motorists the following: , aircraft passengers, ship passengers, and travelers ; (B) in paragraph (2)— (i) in subparagraph (A), by striking other motorist information systems to notify motorists and inserting or other information systems to notify motorists, aircraft passengers, ship passengers, and travelers ; (ii) in subparagraph (D), by inserting after support the notification of motorists the following: , aircraft passengers, ship passengers, and travelers