Saturday, August 6, 2016

Bryn Mawr Junction: Milwaukee vs. C&NW

Mark Llanuza posted
Were at Jct Bryn Mawr where the Milwaukee Rd and CNW meet up .The crew is talking on the phone box with a good size jet going over 1976.
Note the engine in the tail of the plane. The plane is an AA 727. You can tell it is close to O'Hare because the landing gear is down. In fact, Bryn Mawr is just west of the O'Hare property.

C&NW built a new line across the northern suburbs to move freight trains from its northern routes to its Proviso Yard. This new line uses a viaduct to cross over the Bensenville Yard. The Milwaukee Road obtained trackage rights on this new line to also carry freight trains from its northern routes to join its western route at Tower B-17 at the west end of the Bensenville Yard. Milwaukee separated from the C&NW at this junction and uses the western double tracks while C&NW uses the eastern double tracks.

Excerpt from B&OCT Map
Update: UP had to relay its route between Bryn Mawr and the viaduct over CP's yard to make room for a new runway on the south side of O'Hare. Note in the B&OCT Map how it used to make a gradule S turn from the CP tracks to its viaduct. If you look a modern map, it stays close to the CP tracks until it has to sharply turn east then again sharply turn south.

You can tell that O'Hare has grown of the decades because another map shows that this freight traffic bypass used to run straight south to the viaduct from what is now an industrial spur remnant of the original route. So UP/C&NW has had to relay their track at least twice as O'Hare grew.

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