Quote:
Originally Posted by RicoLance21
When we have an underground line for the South/NW leg, I don't think it is wise to also increase the frequency. There may be more elbow room downtown, but not so outside of downtown, even with only one line. The current five-minute frequency is already putting a considerable strain on traffic flow at crossings of major roads like Heritage Dr. To double the capacity of this line, good luck waiting at the crossing--more grade separations are required. By then, I don't think there is a lot of infrastructure change left to classify the line as heavy rail--other than electrical/signal upgrades.
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Years ago I remember reading even the extra crossing time for 4-car trains would necessitate grade separation at Heritage Drive, so it isn't unexpected or not planned for.