Maps NS pennsylvania Conway Yard Map

full color, high res, high detail. lists hump, yard, park, repair shop. this is just a map of the yard only. "Conway Yard is a major rail yard located in Conway, Pennsylvania, 22 miles (35 km) northwest of Pittsburgh, along the Ohio River. It was the largest freight yard in the world from 1956 until 1980.[1][2] It is currently owned by Norfolk Southern Railway (NS) and is the second largest yard in the United States.[3] (The largest is Bailey Yard in North Platte, Nebraska.[4])"