Zeta-Tube

A Zeta-Tube is a device that Justice League, the Team, the Outsiders and STAR Labs use for teleportation via Zeta-Beam. Sardath uses platforms instead, which.

Abilities
and are reliant on weather conditions. These machines are accessed by means of the Justice League Computer, which recognizes Justice League members and allies and reads out their designations when they depart or arrive.

Locations known to have Zeta-Beam entry points include:
 * Hall of Justice
 * The Watchtower
 * Mount Justice
 * Back alley phone booth in Gotham City
 * Poseidonis
 * Under a bridge in New York City
 * A back alley photo booth in Fawcett City
 * An out of order blue police box in Star City
 * Providence
 * Taos's STAR Labs Erdel Initiative
 * In a sub-basement of a Wayne Industries-owned hotel in Minneapolis.
 * In a hidden storage room in Star City.
 * Metropolis
 * An archway in Centennial Park
 * In front of an unknown tower
 * A shed on a Chicago junkyard.
 * The Hub
 * Inside Miss Martian and Superboy's garage.
 * Inside The warehouse in Blüdhaven
 * Inside The warehouse in Blüdhaven
 * Inside The warehouse in Blüdhaven
 * Inside The warehouse in Blüdhaven

2010
The Zeta-Tube network was taken offline on November 11 due to extreme cold weather.

2015
The Zeta-Tubes within the area enclosed by the Collector of Worlds's force field around Metropolis were rendered offline on December 1.