D Line

The D line (which appears on signage in game as [D]) is a short 2-track line that runs from Star Arena to Swamp Border via Snowcap Mountain. The line only has 4 stations, and has connections with 4 other lines.

Station List

 * Star Arena [A] [D] [E]
 * Snowcap Mountain [C] [D]
 * Tetris Swamp [D]
 * Swamp Border [D] [G]

Line History
Not much is known about when [D] was completed. Three of the four stations it serves have been modernized, with the only non-modernized station being a non-transfer station.