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For this series we begin at the engine terminal at Interbay Yard in Seattle. We will follow the former Great Northern trackage east working our way over the Cascade Range through the Cascade Tunnel and end at Harrington, WA about 50 miles west of Spokane.
1911 GN ordered telephone dispatching equipment for Everett, WA to Leavenworth. This was the last mainline segment between Minneapolis and Seattle to be converted from telegraph to telephone dispatching. In 1913 GN began installing automatic block signals Scenic to Tye, Everett to Skykomish and Everett to Bellingham. In 1919, the railroad added automatic block signals to 23 miles of single track between Wenatchee and Leavenworth, and completed 53 miles of signals on single track between Skykomish and Everett, WA. By the end of 1919, the GN had 444 miles of single track and 358 miles of double track with automatic block signals.
Probably the biggest change to operation came in 1929 with the opening of the 7.8 mile Cascade Tunnel. The railroad electrified the line between Skyomish and Wenatchee. Electric operations were abandoned in 1956. Now purging the Cascade Tunnel of diesel fumes in the biggest bottle neck on this portion of the railroad.
The Great Northern installed its first CTC in 1954 on short stretches in Montana and in the Iron Range. CTC was added from Seattle to Merritt (42 miles west of Wenatchee) in 1964. The following year CTC was extended from Merritt to Columbia River (15 miles east of Wenatchee) and then to Ephrata in 1966. By the end of 1969, the GN had over 1,300 miles of CTC. After the BN merger, CTC was extended from Ephrata to Adrian in 1970 and to Lamona in 1975. The last segment of single track from Bluestem to Latah was converted to CTC in 1984.
All pictures in this series are on disks 6 and 7. You can purchase a disk and printout any of the pictures for your own use to dress up your train room or add color to a house that just cries out for more train pictures.
Foss River Bridge