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Islington council presentation on Wharfdale Road bridge
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Islington council presentation on Wharfdale Road bridge


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Presentation by officers at West Area Committee 15 September 2009

Presentation by officers at West Area Committee 15 September 2009

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  • 1. Karen Sullivan – Head of Spatial Planning and Transport Martijn Cooijmans – Team Leader Transport Planning West Area Committee – 15 September 2009 King’s Cross Pedestrian and Cycle Access
  • 2. Background
    • King’s Cross Central
    • King’s Cross Transport Interchange
    • Closure cab road
  • 3. Wharfdale Road Bridge
    • Longstanding aspiration but no funding
    • Connect the junction of York Way and Wharfdale Road with the Boulevard at King’s Cross Central
    • The requirement for passive provision for the bridge by Argent expires in 2012
    • Council sought Transport for London funding to develop a business case for the bridge
  • 4. Wharfdale Road York Way Goods Way Pentonville Road Euston Road The Boulevard
  • 5. Business Case
    • Standard methodology used by Department for Transport and Transport for London to prioritise transport projects with a value of £2m or more
    • Assesses costs and benefits of a transport project over a 30-year period
    • Informs the decision, but it is not the decision
  • 6. Business Case
    • Benefits to pedestrians
    • Benefits to cyclists
    • Cost of bridge
    • Benefit-Cost Ratio
    • Sensitivity tests on ambience and cost
  • 7. Benefits to Pedestrians
    • Bridge catchment area of 800 metres
    • Movement between:
      • Pentonville area in Islington
      • King’s Cross Transport Interchange
      • King’s Cross Central
    • Growth assumptions of pedestrian numbers in King’s Cross Central and Pentonville
    • Time savings of the bridge
  • 8. Wharfdale Road York Way Goods Way Pentonville Road Euston Road The Boulevard
  • 9. Benefits to Cyclists
    • One-way traffic only as Wharfdale Road is eastbound only and York Way northbound only
    • St Pancras Station blocks east-west cycle movement
    • Inconvenience of dismounting and loss of time savings
  • 10.  
  • 11. Bridge Costs
    • Network Rail Bridge to King’s Cross Station platforms used for comparison: £8m
      • No gate line needed
      • Wharfdale Road Bridge is longer
    • Comparison with other similar pedestrian bridges over railway (between £4.7m and £9.7m)
    • Comparison with standard construction cost for bridges (between £4.5m and £11.7m)
    • Outline bridge design (RIBA stage C) would cost between £40,000 and £120,000
  • 12. Bridge Costs – Design Quality
    • Need for high quality design:
      • Along King’s Cross Station: listed building
      • Near St Pancras International
      • Long span over busy railway tracks
      • Needs to be fully accessible (lifts or ramps)
      • Needs to be safe and secure (especially at night)
      • Connect to Europe’s largest new development
  • 13. Benefit-Cost Ratio (BCR)
    • BCR for the Wharfdale Road Bridge is 0.52 : 1
    • DfT ‘pass-mark’ is BCR 2 : 1
    • TfL ‘pass mark’ is BCR 1.5 : 1
    • Unfunded projects in Islington:
      • Archway roundabout: BCR 8 : 1
      • Highbury Corner Roundabout: BCR 10 : 1
  • 14. King’s Cross Station S106
    • Camden Council has secured £1m for improvements to York Way
    • Pedestrian improvements south of Goods Way
    • New pedestrian crossings on York Way at the junctions with Pentonville Road and Wharfdale Road
    • Although the council supports the new crossings, it is lobbying for two-way working on York Way to be investigated
    • The council has asked for implementation of these improvements to be delayed by a few months until feasibility of two-way working has been investigated
    • Council motion supporting the removal of the King’s Cross gyratory
  • 15. Benefits of York Way Two-way
    • Reduction of traffic speeds making the street safer and more attractive for pedestrians
    • Reduction of vehicle traffic on Wharfdale Road, Caledonian Road and Goods Way
    • Introduction of two-way cycle flow on York Way
    • Reduced journey times for bus route 390, and better interchange with King’s Cross Station
    • However TfL is concerned about the impact on the junction with Pentonville Road and York Way and impact on the inner ring road
  • 16. Conclusion
    • Business Case for the Wharfdale Road Bridge is poor
    • Current economic climate and budget pressures within TfL and the LDA
    • Projects with a much better business case are not funded, including Archway and Highbury Corner
    • The council is lobbying for York Way two-way
  • 17. Questions and Comments
  • 18. Background
    • King’s Cross Central
      • Over 450,000 m2 for businesses and employment
      • 1,700 residential units
      • Over 45,000 m2 for retail and food and drink outlets
      • Over 71,000 m2 for community use
      • Over 28,000 m2 for leisure
    • King’s Cross Transport Interchange
    • Closure cab road
  • 19. Background
    • King’s Cross Transport Interchange
      • New Northern Ticket Hall (2010)
      • High-speed domestic rail services to Kent (end 2009)
      • New Western Concourse King’s Cross Station (before 2012)
    • Public space improvements
      • Pedestrian improvements to York Way
      • Southern Square (post 2012)
    • Closure cab road
  • 20. Other Projects
    • Improved pedestrian crossing on York Way at junction with Pentonville Road/Euston Road
    • York Way two-way traffic
    • Movement and Public Space Strategy
    • Masterplan King’s Cross Islington
    • Wharfdale Road Bridge
  • 21.  
  • 22. Sensitivity Tests
    • Ambience
      • Lighting and CCTV could make the bridge a more attractive alternative than the main roads
      • Ramps and lifts may lead to discomfort which could off-set these benefits
      • Economic benefits would be minimal
      • BCR would increase to 0.73 : 1
    • Cost
      • Cost would need to reduce with 65% (BCR 1.5 : 1) or 74% (BCR 2 : 1)
      • This is unrealistic given the cost of other bridges, the standard unit cost and required design quality