B (鐵路) 铁路 tie3lu4 
railway/ railroad 
Eisenbahn C (車廂) 车厢 che1xiang1
railway carriage/ railroad car
Waggon D (鐵道) 铁道 tie3dao4
railway
Eisenbahn
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
鐵 铁 iron / strong, solid, firm
道 道 path, road, street / method, way
from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License
D (鐵道) 铁道 tie3dao4 railway Eisenbahn Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
鐵 铁 iron / strong, solid, firm 道 道 path, road, street / method, way from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License