Balmer Yard is a rail yard

Rail yard

A rail yard, or railroad yard, is a complex series of railroad tracks for storing, sorting, or loading/unloading, railroad cars and/or locomotives. Railroad yards have many tracks in parallel for keeping rolling stock stored off the mainline, so that they do not obstruct the flow of traffic....

 located in the Interbay neighborhood of Seattle, Washington

Seattle, Washington

Seattle is the county seat of King County, Washington. With 608,660 residents as of the 2010 Census, Seattle is the largest city in the Northwestern United States. The Seattle metropolitan area of about 3.4 million inhabitants is the 15th largest metropolitan area in the country...

. The yard is owned by BNSF Railway

BNSF Railway

The BNSF Railway is a wholly owned subsidiary of Berkshire Hathaway Inc., and is headquartered in Fort Worth, Texas. It is one of seven North American Class I railroads and the second largest freight railroad network in North America, second only to the Union Pacific Railroad, its primary...

, and was built by predecessor Great Northern Railway as Interbay Yard. As part of a modernization in the late 1960s, which included a 16-track hump, it was renamed after former GN vice president Thomas Balmer. The nearby engine servicing area is still known as Interbay. The yard is over 80 acres (323,748.8 m²) in size and has 41 parallel tracks for switching cars

Rolling stock

Rolling stock comprises all the vehicles that move on a railway. It usually includes both powered and unpowered vehicles, for example locomotives, railroad cars, coaches and wagons...

.