The Outer Orbital Route is a proposed motorway that was suggested to be built between 2011 and 2019, around the city of Dublin, Ireland; the route has also been known as the Leinster Outer Orbital Route and the Dublin Outer Orbital Route (DOOR).
It would have served as a second bypass of the city to complement the M50 road and will link all of Dublin's main trunk routes: M1, M2, M3, M4, and M7. The only route that will not be served is the M11. The road will roughly run from south of Drogheda, to south of Navan, to Enfield, to east of Newbridge at the confluence of the M7 and M9 motorways.
Although funding for transportation projects in Dublin was already difficult to secure, in 2008 the government reaffirmed its commitment to this project. However, in October 2015, the draft Greater Dublin Area Transport Strategy deferred the road to after 2035.