Regional Trip Rates Variation in TRICS Owen Edwards Consortium

Past research by Owen Edwards Consortium on trip rates variation in TRICS regions led to the initiation of a new research phase to confirm or confront previous findings. The importance of factors like location type, local population, and vehicle ownership in determining regional selection was highlighted. True compatibility in site and development data was emphasized over the exclusion of regions to ensure accurate site selection.

• Regional Trip Rates
• TRICS
• Owen Edwards Consortium
• Research
• Site Selection

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1. REGIONAL TRIP RATES VARIATION IN TRICS OWEN EDWARDS TRICS CONSORTIUM

2. Often brought up by users requesting guidance on trip rates survey samples Basic regional variation research was carried out in the past OWEN EDWARDS TRICS CONSORTIUM

3. Previous work suggested less regional variation than generally assumed TRICS would like to confirm or confront previous findings OWEN EDWARDS TRICS CONSORTIUM

4. New research split into two phases leading to a final technical note Initial phase to look into trip rates across a variety of popular land uses OWEN EDWARDS TRICS CONSORTIUM

5. CURRENT GOOD PRACTICE GUIDANCE OWEN EDWARDS TRICS CONSORTIUM

6. Regional selection is not as important a factor as location type and other important factors The importance of compatibility in terms of local population, vehicle ownership, location type, etc, cannot be stressed enough OWEN EDWARDS TRICS CONSORTIUM

7. No obvious reason why some data from Glasgow cannot apply to some data from Greater Manchester Similarly, some site scenarios in parts of London may be compatible with sites in other large cities OWEN EDWARDS TRICS CONSORTIUM

8. It is in the areas of site and development data where true compatibility should be sought, rather than just through the exclusion of regions, which could unnecessarily remove many compatible sites from a user s selected set OWEN EDWARDS TRICS CONSORTIUM

9. TRICS REGIONS OWEN EDWARDS TRICS CONSORTIUM

10. 1 Greater London 2 South East 3 South West 4 East Anglia 5 East Midlands 6 West Midlands 7 Yorkshire & North Lincolnshire 8 North West 9 North 10 Wales 11 Scotland 12 Connaught 13 Munster 14 Leinster 15 Greater Dublin 16 Ulster Ireland 17 Ulster Northern Ireland OWEN EDWARDS TRICS CONSORTIUM

11. GROUPED REGIONS OWEN EDWARDS TRICS CONSORTIUM

12. Number of surveys in each TRICS region varies massively Where possible, similar regions are grouped together to see how these results compare to the rest OWEN EDWARDS TRICS CONSORTIUM

13. Certain regions were grouped together for calculating trip rates 5 East Midlands, 6 West Midlands ---------------- 7 Yorkshire & North Lincolnshire, 8 North West, 9 North ---------------- 12 Connaught, 13 Munster, 14 Leinster, 15 Greater Dublin, 16 Ulster Ireland, 17 Ulster Northern Ireland OWEN EDWARDS TRICS CONSORTIUM

14. Using grouped regions results in six major regions to focus on 1 Greater London 2 South East 3 South West 5-6 Unified Midlands 7-9 Unified North 12-17 Unified Ireland OWEN EDWARDS TRICS CONSORTIUM

15. LAND USES OWEN EDWARDS TRICS CONSORTIUM

16. Most popular land uses selected 01/A Food Superstore 02/A Office 03/A Houses Privately Owned OWEN EDWARDS TRICS CONSORTIUM

17. 01/A Food Superstore split into Friday only and Saturday only surveys 02/A Office and 03/A Houses Privately Owned will use only weekday surveys OWEN EDWARDS TRICS CONSORTIUM

18. SELECTION PARAMTERS OWEN EDWARDS TRICS CONSORTIUM

19. As many surveys wanted to keep the samples as large as possible Vehicles Only surveys Looking at surveys from the past 20 years, minimum date set to 01/01/1999 All location types included OWEN EDWARDS TRICS CONSORTIUM

20. 01/A FOOD SUPERSTORE FRIDAY RESULTS OWEN EDWARDS TRICS CONSORTIUM

21. 01/A FOOD SUPERSTORE FRIDAY TRICS Regions 3 South West 12-17 Unified Ireland 2 South East 7-9 Unified North 5-6 Unified Midlands 1 Greater London Surveys (59) 9 9 8 7 11 3 Peak Totals (12.273) 14.629 14.056 12.325 12.266 11.736 7.299 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

22. 01/A FOOD SUPERSTORE FRIDAY TRICS Regions 17 Ulster Northern Ireland 3 South West 12-17 Unified Ireland 10 Wales 9 North 5 East Midlands 5-6 Unified Midlands 6 West Midlands 11 Scotland 1 Greater London Surveys (59) 6 9 9 4 4 8 11 3 4 3 Peak Totals (12.273) 18.978 14.629 14.056 13.875 13.354 12.098 11.736 10.411 9.806 7.299 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

23. 01/A FOOD SUPERSTORE FRIDAY TRICS Regions 3 South West 12-17 Unified Ireland 2 South East 7-9 Unified North 5-6 Unified Midlands 1 Greater London Surveys (59) 9 9 8 7 11 3 Trips Totals (146.938) 187.741 157.722 154.470 139.858 134.661 77.657 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

24. 01/A FOOD SUPERSTORE FRIDAY TRICS Regions 17 Ulster Northern Ireland 3 South West 12-17 Unified Ireland 2 South East 9 North 10 Wales 5-6 Unified Midlands 6 West Midlands 11 Scotland 1 Greater London Surveys (59) 6 9 9 8 4 4 11 3 4 3 Trips Totals (146.938) 201.851 187.741 157.722 154.470 147.112 139.479 134.661 106.131 90.652 77.657 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

25. This data sample shows South West, Unified Ireland and North with slightly higher vehicle trip rates This data sample shows Greater London, Scotland and Unified Midlands with slightly lower vehicle trip rates OWEN EDWARDS TRICS CONSORTIUM

26. 01/A FOOD SUPERSTORE SATURDAY RESULTS OWEN EDWARDS TRICS CONSORTIUM

27. 01/A FOOD SUPERSTORE SATURDAY TRICS Regions 3 South West 7-9 Unified North 2 South East 5-6 Unified Midlands 12-17 Unified Ireland 1 Greater London Surveys (79) 9 16 15 10 5 7 Peak Totals (12.617) 14.486 13.647 12.886 12.878 10.730 8.788 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

28. 01/A FOOD SUPERSTORE SATURDAY TRICS Regions 4 East Anglia 10 Wales Surveys (79) 3 7 6 9 4 10 4 5 7 7 Peak Totals (12.617) 18.391 14.804 14.633 14.486 14.304 12.878 11.525 10.730 9.755 8.788 7 Yorkshire & North Lincolnshire 3 South West 8 North West 5-6 Unified Midlands 17 Ulster Northern Ireland 12-17 Unified Ireland 11 Scotland 1 Greater London Results per 100m OWEN EDWARDS TRICS CONSORTIUM

29. 01/A FOOD SUPERSTORE SATURDAY TRICS Regions 3 South West 7-9 Unified North 5-6 Unified Midlands 2 South East 12-17 Unified Ireland 1 Greater London Surveys (79) 9 16 10 15 5 7 Trips Totals (142.324) 182.402 145.470 135.579 134.599 105.874 95.211 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

30. 01/A FOOD SUPERSTORE SATURDAY TRICS Regions 4 East Anglia 3 South West Surveys (79) 3 9 6 7 16 15 4 5 7 7 Trips Totals (142.324) 190.215 182.402 151.846 148.896 145.470 134.599 110.062 105.874 98.821 95.211 7 Yorkshire & North Lincolnshire 10 Wales 7-9 Unified North 2 South East 17 Ulster Northern Ireland 12-17 Unified Ireland 11 Scotland 1 Greater London Results per 100m OWEN EDWARDS TRICS CONSORTIUM

31. In these two data samples, only Wales and South West remain in the top five regions from Friday to Saturday peak totals In these two data samples, only Greater London and Scotland remain in the bottom five regions from Friday to Saturday trips totals OWEN EDWARDS TRICS CONSORTIUM

32. 02/A OFFICE WEEKDAY RESULTS OWEN EDWARDS TRICS CONSORTIUM

33. 02/A OFFICE WEEKDAY TRICS Regions 7-9 Unified North 3 South West 2 South East 12-17 Unified Ireland 5-6 Unified Midlands 1 Greater London Surveys (134) 26 6 30 17 10 20 Peak Totals (0.723) 1.073 1.045 0.826 0.550 0.522 0.326 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

34. 02/A OFFICE WEEKDAY TRICS Regions 16 Ulster Ireland 7 Yorkshire & North Lincolnshire 10 Wales 4 East Anglia 9 North 12-17 Unified Ireland 5-6 Unified Midlands 6 West Midlands 1 Greater London 15 Greater Dublin Surveys (134) 4 4 6 10 14 17 10 7 20 5 Peak Totals (0.723) 1.924 1.876 1.537 1.118 1.073 0.550 0.522 0.424 0.326 0.312 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

35. 02/A OFFICE WEEKDAY TRICS Regions 7-9 Unified North 3 South West 2 South East 12-17 Unified Ireland 5-6 Unified Midlands 1 Greater London Surveys (134) 26 6 30 17 10 20 Trips Totals (10.685) 15.699 15.016 10.342 8.244 7.095 5.136 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

36. 02/A OFFICE WEEKDAY TRICS Regions 16 Ulster Ireland 7 Yorkshire & North Lincolnshire 9 North 5 East Midlands 10 Wales 12-17 Unified Ireland 5-6 Unified Midlands 1 Greater London 6 West Midlands 15 Greater Dublin Surveys (134) 4 4 14 3 6 17 10 20 7 5 Trips Totals (10.685) 23.468 20.019 16.905 16.473 15.949 8.244 7.095 5.136 4.482 3.609 Results per 100m OWEN EDWARDS TRICS CONSORTIUM

37. In this data sample East Midlands produces slightly higher trip rates but West Midlands slightly lower In this data sample Unified Ireland produces slightly lower vehicle trip rates despite Ulster Ireland producing slightly higher OWEN EDWARDS TRICS CONSORTIUM

38. 03/A HOUSES PRIVATELY OWNED WEEKDAY RESULTS OWEN EDWARDS TRICS CONSORTIUM

39. 03/A HOUSES PRIVATELY OWNED TRICS Regions 12-17 Unified Ireland 5-6 Unified Midlands 3 South West 1 Greater London 2 South East 7-9 Unified North Surveys (202) 54 28 11 10 27 37 Peak Totals (0.593) 0.700 0.618 0.573 0.565 0.534 0.516 Results per dwelling OWEN EDWARDS TRICS CONSORTIUM

40. 03/A HOUSES PRIVATELY OWNED TRICS Regions 14 Leinster 17 Ulster Northern Ireland 12 Connaught 12-17 Unified Ireland 5 East Midlands 15 Greater Dublin 2 South East 9 North 7-9 Unified North 7 Yorkshire & North Lincolnshire Surveys (202) 6 17 15 54 7 7 27 9 37 13 Peak Totals (0.593) 0.840 0.806 0.705 0.700 0.692 0.564 0.534 0.519 0.516 0.456 Results per dwelling OWEN EDWARDS TRICS CONSORTIUM

41. 03/A HOUSES PRIVATELY OWNED TRICS Regions 12-17 Unified Ireland 1 Greater London 2 South East 5-6 Unified Midlands 3 South West 7-9 Unified North Surveys (202) 54 10 27 28 11 37 Trips Totals (6.968) 8.315 6.449 6.120 5.075 4.921 4.589 Results per dwelling OWEN EDWARDS TRICS CONSORTIUM

42. 03/A HOUSES PRIVATELY OWNED TRICS Regions 17 Ulster Northern Ireland 12-17 Unified Ireland 14 Leinster 11 Scotland 1 Greater London 10 Wales 15 Greater Dublin 9 North 7-9 Unified North 7 Yorkshire & North Lincolnshire Surveys (202) 17 54 6 14 10 8 7 9 37 13 Trips Totals (6.968) 8.776 8.315 7.642 7.225 6.449 4.892 4.699 0.519 4.589 3.904 Results per dwelling OWEN EDWARDS TRICS CONSORTIUM

43. Greater London produces just below average trips totals but still slightly higher than other regions in this data sample Yorkshire & North Lincolnshire and North produce slightly lower peak and trips totals in this data sample OWEN EDWARDS TRICS CONSORTIUM

44. CROSS LAND USE RESULTS OWEN EDWARDS TRICS CONSORTIUM

45. CROSS LAND USE RANKINGS TRICS Regions 1 Greater London 2 South East 3 South West 5-6 Unified Midlands 7-9 Unified North 12-17 Unified Ireland 01/AF 6th 3rd 1st 5th 4th 2nd 01/AS 6th 3rd 1st 4th 2nd 5th 02/AW 6th 3rd 2nd 5th 1st 4th 03/AW 4th 5th 3rd 2nd 6th 1st Based on Peak Totals OWEN EDWARDS TRICS CONSORTIUM

46. CROSS LAND USE RANKINGS TRICS Regions 1 Greater London 2 South East 3 South West 5-6 Unified Midlands 7-9 Unified North 12-17 Unified Ireland 01/AF 6th 3rd 1st 5th 4th 2nd 01/AS 6th 4th 1st 3rd 2nd 5th 02/AW 6th 3rd 2nd 5th 1st 4th 03/AW 2nd 3rd 5th 4th 6th 1st Based on Trips Totals OWEN EDWARDS TRICS CONSORTIUM

47. Different land uses give significantly different results For these data samples regions can be top of a ranking for one land use but bottom of a ranking for another OWEN EDWARDS TRICS CONSORTIUM

48. Rather than regional variance, other important factors such as location type, public transport levels, local population, car ownership can be much more significant All these are adjustable parameters within the TRICS software OWEN EDWARDS TRICS CONSORTIUM

49. Using the four data samples, it is possible to view each major region s variance ranges from the average of all surveys The two tables are based on total peak figures and total trips figures OWEN EDWARDS TRICS CONSORTIUM

50. TRIP GENERATION RANGES SUMMARY TRICS Regions 1 Greater London 2 South East 3 South West 5-6 Unified Midlands 7-9 Unified North 12-17 Unified Ireland Surveys 40 80 35 59 86 85 High -4.7 +14.2 +44.5 +4.2 +48.4 +18.0 Low -54.9 -9.9 -3.4 -27.8 -13.0 -23.9 Average -32.6 +1.7 +18.8 -6.5 +10.9 -1.6 Total Peak figures OWEN EDWARDS TRICS CONSORTIUM

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