Seznam AAR oznak (Y)
Y
- YAN - Yancey Railroad
- YARR - Youngstown and Austintown Railroad
- YRC - York Railway
- YKR - Yorkrail; York Railway
- YS - Youngstown and Southern Railway
- YSDX - Youngstown Steel Door Company
- YSMX - Canadian Gypsum Company
- YSTX - Youngstown Sheet and Tube Company
- YV - Yosemite Valley Railway
- YVT - Yakima Valley Transportation Company
- YW - Yreka Western Railroad