 The plan avoids re-routing the M3 as it uses
much of the current road scheme "footprint". By switching to the
existing N3 in the sensitive Tara-Skryne Valley area, it preserves the
threatened Lismullin monument and other archaeological sites,
automatically resolving the EU legal issues whilst still
providing
much-needed bypasses of Dunshaughlin and Navan. Under
the plan the
M3
motorway is retained to Roestown, north of Dunshaughlin, then switches
to a less costly "2+1" upgrade of the existing N3 ("2+1 Through the
Valley") as far as the currently-threatened amenity of Dalgan Park.
North of Dalgan Park, the road would re-join the current M3 alignment,
and continue also in the 2+1 format, to Carnaross, beyond Kells.
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