Y YAN - Yancey Railroad YARR - Youngstown and Austintown Railroad YB - Youngstown Belt Railroad YCR - Yakima Central Railway YCRK - Yellow Creek Railroad YDHR - York Durham Heritage Railway YRC - York Railway YKR - Yorkrail; York Railway YRPL - Yelm Roy Prairie Line YS - Youngstown and Southern Railway YSDX - Youngstown Steel Door Company YSMX - Canadian Gypsum Company YSRR - Youngstown and Southeastern Railroad YSTX - Youngstown Sheet and Tube Company YSVR - Yellowstone Valley Railroad YV - Yosemite Valley Railway YVT - Yakima Valley Transportation Company YW - Yreka Western Railroad