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Unread 29-11-2015, 08:34   #40
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Originally Posted by James Shields View Post
I totally agree with the earlier comment that the line needs to be widened to 4 tracks between Connolly and Malahide. This will not be cheap, and to be honest, I don't see money for it becoming available while FineGael are in government.

I don't think it's a showstopper for DART Underground, but I think the northern line is a bottleneck that's going to have to be looked at eventually.
Given the dramatic impact on other services of increasing DART frequency from 4 to 6 services per direction per hour, the DART underground proposal (based on the published business case frequencies) would have a crippling effect on journey times along the northern line and reduce the average speed of Belfast services to about 30 mph between Dublin and Drogheda. Does anybody think this is sustainable ? The strategy seems to assume that longer distance commuters and Enterprise users either don't matter or should be so grateul to have a service that they should lap up whatever journey time or service contortions that are required to suit DART operations.

As for the South Eastern line, south of Greystones, it will propably linger on in a Nenagh-like limbo for five or ten years until either a new financial crisis emerges or some major piece of capital expenditure arises. Comparison with the huge success NIR have made of the Belfast - Derry line gives an idea of what could be achieved with a decent service and moderately attractive journey times.
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