Northern Division overtaking opportunities - overview

Provision of 2+1 overtaking opportunities on single carriageway roads within Northern Division.


  • constructed


Overtaking lanes are wide single carriageways marked out as two lanes in one direction and one lane in the other with opposing traffic streams separated by a double white line system. They provide defined overtaking opportunities to reduce traffic delays caused by slower moving vehicles.

The Regional Strategic Transport Network Transport Plan 2015 envisaged the construction of over fifty 2+1 overtaking opportunities within the plan period. The following are some of the completed schemes.

Key dates:

Northern Key and North Western Transport Corridor (location and direction of overtaking opportunity)

Scheme and date completed:

  • Glenlough North climbing lane (towards Ballymena)  - April 2000
  • Portrush Road roundabout DALs (towards Coleraine and Ballymena) - July 2000
  • Greenmount roundabout DAL (towards Limavady) -  April 2001
  • Springwell climbing lane (towards Limavady) - May 2004
  • Nutts Corner DALs (towards Antrim and to Moira) - May 2005
  • Ballynaloob South WS 2+1 (towards Ballymoney) - March 2006
  • Burntollet West and East climbing lanes (towards Drumahoe and Dungiven) - July 2002
  • Glenshane North climbing lane (towards Dungiven) - July 2003
  • Munreery climbing lane (towards Dungiven) - March 2005

Updated: 20 August 2015


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