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Unread 12-11-2012, 10:20   #3
Mark Gleeson
Technical Officer
 
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Join Date: Dec 2005
Location: Coach C, Seat 33
Posts: 12,669
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Even without a DART in the way it is always a crawl outbound due the level crossings as they can't be sequenced to give a clear run, nothing new in that its been like that for 28 years, inbound you can be lucky if you get a run at Merrion Gates. Even with a quick run out arrival at Dun Laoghaire is still not caught up with the DART in front

Dreams of wrong line running are just that dreams, its not possible, its not practical and the time saving is so tiny for what would cost multiple millions to install the hardware for and would only work for a very very similar number of timetable permutations

Far more realistic to look for 90-100mph running south of Gorey which looks practical and can be delivered for little outlay

The two pinch points are Bray, where a train to Greystones cannot depart as one arrives from Greystones due the track layout and Greystones where again it is not possible for trains to arrive simultaneously
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