1. Short title This Act may be cited as the AMBER Alert Nationwide Act of 2019 . 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 (including airports, maritime ports, border crossing areas and checkpoints, and ports of exit from the United States) after gaps in areas of interstate travel ; 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 , the Secretary of Homeland Security, after Secretary of Transportation ; 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 , the Secretary of Homeland Security, after Secretary of Transportation ; 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 and major transportation routes after along highways ; (2) in subsection (a)— (A) by inserting (referred to in this section as the Secretary ) after Secretary of Transportation ; and (B) by inserting and at airports, maritime ports, border crossing areas and checkpoints, and ports of exit from the United States after along highways ; (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 , aircraft passengers, ship passengers, and travelers after necessary to notify motorists