A close look at the new (south) switch at Broomfield. Obviously not nearly complete yet, once this switch is moved, the siding of Broomfield will no longer have any grade crossing. This is part of a project that will connect 120th Avenue and CO-128 in Broomfield. In order for the two roads to be connected, they must run underneath BNSF's Front Range Sub. That underpass does not exist today and has not yet been started. But the underpass would pass underneath both the main and the siding. With the relocation of the south switch (shifting the siding north), the tracks can switch from the main line alignment to the siding alignment and back during construction of the the underpass, while still maintaining the use of the Broomfield siding.
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