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Unread 25-11-2015, 10:46   #13
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Join Date: Jan 2006
Posts: 760

More on just how bad these proposals are:

1. The 10-minute fixed-interval DART service. This apparently applies throughout the day. Fine for peak hours but what about mid-morning or early afternoon, never mind later at night? The LUAS does not attempt anything like this: tram intervals range for 3 to 4 minutes at the morning peak to 7 or 8 minutes late morning etc. It must be hugely uneconomic in the off-peak hours to operate a peak-hour service.

2. The slower journey times. OK these are probably a consequence of the 10-minute DARTS, but there is a huge paradox in operating slower trains which reduce line capacity (because by definition they increase time spent in block sections) when the most acute problem is inadequate headway between trains.

Are they stuck with this 10-minute stuff because of some funding arrangement on service levels with the NTA? How slow will things be then the Park Tunnel trains start operating to Connolly?
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