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GETTING THE BALANCE RIGHT: Breaking the Link Between Economic and Traffic Growth

This presentation discusses the traditional approach of building new capacity to meet traffic demand and proposes alternative solutions for managing traffic growth. The focus is on influencing travel behavior and implementing measures such as travel plans, public transport, car sharing, parking limits, and access management. The presentation includes a real working example of how these measures can significantly reduce traffic volume.

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GETTING THE BALANCE RIGHT: Breaking the Link Between Economic and Traffic Growth

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  1. GETTING THE BALANCE RIGHT:Breaking the Link Between Economic and Traffic Growth Graham Riley Influencing Travel Behaviour Team

  2. The Highways Agency Agency for Department For Transport Responsible for Strategic Road Network In England c.8,000 km of: • Motorways • Major trunk roads

  3. Meeting Demand? Network capacity Traffic volume Development traffic

  4. The “Traditional” approach Required capacity 10 years after full opening of the development Traffic demand Network capacity Background growth Development traffic 10 years

  5. Four basic methods of accommodating growing demand:- 1 - Build new capacity 2 - Technology Improvements 3 - Access Management 4 - Impact Avoidance

  6. The “Traditional” approach Network capacity Traffic demand Background growth Development traffic 10 years

  7. The “Traditional” approach Traffic volume Network capacity Background growth Development traffic

  8. Many network capacity improvements are not feasible Traffic congestion / unsatisfied demand Network capacity Background growth

  9. Where capacity headroom is very limited, we need to manage demand:- Minimise new traffic generation Reduce / reverse background growth Constrain overall traffic within manageable, acceptable limits

  10. Constraints to traffic generation:Travel Plans Network capacity Traffic growth

  11. Constraints to traffic generation:Travel Plans • Public Transport Network capacity Traffic growth

  12. Constraints to traffic generation:Travel Plans • Public Transport • Car sharing / car clubs Network capacity Traffic growth

  13. Constraints to traffic generation:Travel Plans • Public Transport • Car sharing / car clubs • Parking limits Network capacity Traffic growth

  14. Constraints to traffic generation:Travel Plans • Public Transport • Car sharing / car clubs • Parking limits • Access management Network capacity Traffic growth

  15. Constraints to traffic generation:Travel Plans • Public Transport • Car sharing / car clubs • Parking limits • Access management • plus much more? Network capacity Traffic growth

  16. Constraints to traffic generation:Travel Plans • Public Transport • Car sharing / car clubs • Parking limits • Access management • plus much more? Network capacity Traffic growth

  17. Innovative Planning Guidance • New Guidance on Transport Assessment (April, 2007) • Primary Mitigation – Travel Plans • Secondary Mitigation – Physical Measures • Developments must satisfy ‘no worse off’ condition!

  18. The Highways Agency’s approach to spatial planning Impact Avoidance Access Management Technology Improvements Capacity Improvements

  19. The “Trip Credit” approach

  20. The “Trip Credit” approach

  21. Trip “Credit” interventions: • Minimise impacts from new development • Create “headroom” from neighbouring existing developments • Aim to achieve traffic neutrality (or as near as possible)

  22. Existing Employment New Employment Existing Employment Existing Housing

  23. A Real Working Example…

  24. A Real Working Example… New development with 215 new employees • Estimated 182 two way trips at am peak • In-boundary travel plan measures reduce trips to 136 (25% trip saving) • Area wide travel plan measures save a further 170 trips • Net trips from site -34!

  25. Thank You Graham Riley Regional Programme Manager: Influencing Travel Behaviour Network Strategy (North of England) Lateral, 8 City Walk, Leeds, LS11 9AT Tel 0113 283 6233 Mob 07795 450549 Email: graham.riley@highways.gsi.gov.uk Find out more on the HA website: www.highways.gov.uk/knowledge/itb

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