Millennium/Expo Line Service Link

[finalcoolman]

I wonder how OMC4 changes the equation for this link. On the one hand, the Millennium Line now needs it LESS, because even if you fully severed the physical junction at Columbia, the Millennium Line can now operate fully independently with its own full service OMC4.

On the other hand for the Expo Line it needs it MORE for access to OMC4 if for example if a major maintenance/construction project or even an earthquake lets say severes the Expo Line at Royal Oak. Now the entire Western half of the Expo Line doesn't have any access to any OMC.

Of course the major reason this has not been completed and likely will not any time soon is the headache of single tracking the Expo Line at Terminal for a year to build the switch.