Subway in GTA IV

The Subway in Liberty City in GTA IV is operated by the Liberty Transport Authority (LTA).

Lines
The subway system has four main lines, in pairs:
 * The Algonquin Inner Line (Routes K & C) + Bohan Line (Routes E & B)
 * The Algonquin Outer Line (Routes A & J) + Broker Line (Routes 8 & 3)

These four lines serve all corners and boroughs of Liberty City, but do not serve the state of Alderney.

Algonquin Outer Line

 * Route A trains run clockwise
 * Route J trains run counter-clockwise
 * At Easton, Route J trains become Route 3 for the Broker line
 * At Manganese East, Route A trains become Route 8 for the Broker Line

Broker Line

 * Route 8 trains run clockwise in Broker, counter-clockwise in Dukes
 * Route 3 trains run counter-clockwise in Broker, clockwise in Dukes
 * At Easton, Route 8 trains become Route A for the Algonquin Outer Line
 * At Manganese East, Route 3 trains become Route J for the Algonquin Outer Line

Algonquin Inner Line

 * Route K trains run clockwise
 * Route C trains run counter-clockwise
 * At Frankfort Low, Route K trains become Route E for the Bohan Line
 * At Frankfort High, Route C trains become Route B for the Bohan line

Bohan Line

 * Route E trains run clockwise
 * Route B trains run counter-clockwise
 * At Frankfort High, Route E trains become Route K for the Algonquin Inner Line
 * At Frankfort Low, Route B trains become Route C for the Algonquin Inner line