Hinksey Hill interchange | Oxfordshire County Council

Hinksey Hill interchange

This scheme has the aim of unlocking capacity, particularly for express bus services

The aim of this project is to provide Stage 1 of the Oxfordshire Science Transit Network, as identified in the county council’s City Deal commitment.

Stage 1 of Science Transit focuses on Hinksey Hill interchange, with the aim of unlocking capacity, particularly for express bus services.  This will enable a significantly increased service pattern (in particular services from Harwell and Didcot / Milton Park), increasing public transport use and taking traffic pressure off a congested section of the A34. 

The work we are proposing comprises:

  • an extended A34 Northbound off-slip road with bus priority on the approach to the Hinksey Hill Interchange
  • widened circulatory carriageway (additional traffic lane) around the Hinksey Hill interchange, for north/east “inbound” trips, for all traffic
  • widened A423 eastbound approach to Old Abingdon Road for all traffic.

The key benefits of the scheme include:

  • Reduction in total traffic delay by 65% in the am peak hour (more than 200 passenger car unit hours) and 22% in the pm peak hour (over 25pcu hours)
  • Business users and transport providers. Highway travel time savings £20.8 million highway vehicle operating costs £7.7 million
  • Commuting and other users. Highway travel time savings £8.4 million highway vehicle operating costs £2.7 million.

The project is currently at feasibility stage. Additional traffic modelling of the wider road network has been commissioned to help confirm a preferred option to progress. 

Last reviewed
03 April 2017
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