Newport, MN: Newport (KT) Tower: Rock Island vs. CB&Q + Milwaukee

(Satellite, just north of 11th St. extended and east of the tracks. (Google Maps broke their pin dropping in Jan 2024.))

It controlled the connection to the former Rock Island Bridge and some crossovers. Crossovers between the CP/Milw and BNSF/CB&Q tracks still exist

Ira Silverman posted
On joint track with BN
Kevin Kriigel: looking at compensators in the pipeline you can adjust there
[Fortunately, some comments identified this as Newport. I'm so glad that the photographer included the signalling pipelines. I understand that one of the purposes of the compensator is to absorb the expansions and contractions due to temperature changes.]

North American interlocking States A to Z and Canada has 15 images.

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[An example of how the signalling pipelines can go around a curve.]

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EarthExplorer: May 9, 1947 @ 17,000; AR1DV0000050103

This information was moved here from Four Towers.

1950 St Paul Park and 1951 Inver Grove Quads @ 1:24,000

Trainorders