.
>
>
> This is correct. UP will never give up the Santa
> Barbara and Coast Subdivisions for 2 reasons. 1,
> it is an alternative route to the Mojave and
> Fresno Subdivisions if they are ever blocked for
> any reason and length of time. 2, UP doesn't want
> to give up Control or see another Railroad such
> as BNSF get it and run through trains on it, among
> other things.

The Tennessee Pass is a good example of UP's reasoning around holding onto redundant routes. It begs the question how much of UP's success is about a monopoly that denies access to certain markets. Most shippers rate UP's rail service as poor.