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)— (i) in paragraph (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 (ii) in paragraphs (2) and (3), by inserting , territories of the United States, and tribal governments after States ; and (B) in subsection (d), by inserting after Secretary of Transportation the following: , the Secretary of Homeland Security, ; and (2) in section 302— (A) in subsection (b), in paragraphs (2), (3), and (4) by inserting , territorial, tribal, after State ; and (B) in subsection (c)— (i) in paragraph (1), by inserting after Secretary of Transportation the following: ‘‘, the Secretary of Homeland Security,”; and (ii) in paragraph (2), by inserting , territorial, tribal, after State . 3. AMBER Alerts along major transportation routes (a) In general Section 303 of the PROTECT Act ( 34 U.S.C. 20503 ) is amended— (1) in the section heading, by inserting after along highways the following: and major transportation routes ; (2) in subsection (a)— (A) by inserting after Secretary of Transportation the following: (referred to in this section as the Secretary ) ; and (B) 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 ; (3) 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