Burlington Northern "No Clearance" sign at Eltopia, Washington, on June 25, 1986. This former Northern Pacific sign is in the 2nd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: sign

Centralized Traffic Control (CTC) panel, "Double Track South," in Burlington Northern dispatchers office, Union Station, Tacoma, Washington, on December 2, 1970. Photo by J.M. Fredrickson. Other Subject Classes: CTC equipment, dispatchers office,

Centralized Traffic Control (CTC) panel, "Double Track South," in Burlington Northern dispatchers office, Union Station, Tacoma, Washington, on December 2, 1970. Photo by J.M. Fredrickson. Other Subject Classes: signal equipment, dispatchers office,

Burlington Northern SD40-2 Number 8177, built in August 1980; SD40-2 Number 7937, built in April 1980; SD40-2 Number 6902, built in March 1973; passing Newport, Minnesota interlocking with an eastbound ore move on March 21, 1981. Train order signal clear. Photo by Al Christianson.

Burlington Northern SD40-2 Number 8074, built in August 1979; SD40-2 Number 8135, built in June 1980; SD40-2 number unknown; SD40-2 number unknown; passing Hoffman Avenue interlocking at Saint Paul, Minnesota with an westbound freight on June 24, 1980. Burlington Northern passenger car behind power. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6799, built November 1977; SD40-2 Number 6704, built December 1974; SD40-2 Number 6711, built February 1976; SD40-2, number unknown; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with bathtub coal gondolas on June 4, 1981. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6799, built November 1977; SD40-2 Number 6704, built December 1974; SD40-2 Number 6711, built February 1976; SD40-2, number unknown; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with blue-ended bathtub coal gondolas on June 4, 1981. Photo by Al Christianson.

Burlington Northern Type U33C Number 5764, former S J Groves Number 507; U33C Number 5750, built August 1971; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota on March 11, 1980. Photo by Al Christianson.

Burlington Northern Type U33C Number 5764, former S J Groves Number 507; U33C Number 5750, built August 1971; SD40-2 Number 6910, former Number 6374, built April 1973; U33C Number 5712, former Great Northern Number 2542; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with westbound freight on March 11, 1980. Photo by Al Christianson.

Burlington Northern Type U25C Number 5627, former Northern Pacific Number 2527; U25C Number 5637, former Burlington Number 557; U28C Number 5673, former Northern Pacific Number 2807; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with two Great Northern ballast hoppers, including Number 78264, on April 15, 1980. Photo by Al Christianson.