The mod uses the vanilla elevated station track as the base

UPDATE 12 (7/7/2015)
Fixed: Fixed station track LOD rendering issue.
Fixed: Fixed tunnel track bruild height & collision issues.
Fixed: Fixed tunnel track color (+ passengers colors)
Fixed: Fixed placing stops on tunnel track.

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Multiple improvments to tunnel train station track

UPDATE 10 (2/19/2015)
Fixed: This mod is now compatible with latest version of European Buildings Unlocker

UPDATE 9 (11/5/2015)
Added: Narrow versions of tracks

UPDATE 8 (10/28/2015)
Removed: One-way track feature and published it as a separate mod (One-Way Train Track mod). Please subscribe to it if your save has one way tracks.
Changed: Now this mod is called Extra Train Station Tracks and it is no longer alpha!
Changed: Elevated train station track now has power line poles by default again
Added: Concrete, no poles, concrete+no poles varieties of elevated station track
Added: Concrete, no poles, concrete+no poles varieties of regular station track
Added: No poles variety of sunken station track

Now tunnel station track doesn't affect zoning

UPDATE 7 (10/20/2015)
Added: One-way train tracks (available in-game)