1. UF/TRC WORKSHOP ON ROUNDABOUTS, Sheraton Orlando North Hotel, Maitland, Florida. Daniel Shihundu, P.Eng August 18, 2009

3. Iterative Design Process

4. GPS Field Research

5. TORUS Workflow

6. Live TORUS Demonstration

7. Summary

9. Planning

10. Safety

12. Evaluating alternative roundabout locations, approach alignments and associated deflection

13. Evaluating fastest paths/speeds and speed consistency

14. Sight distance calculations

15. Reviewing vehicle turning movements/Fluid drive paths

16. Enhancing public involvement exhibits

17. ROW requirement studies

18. Generating preliminary layouts for client review

20. Iterative Design Process

21. GPS Field Research

22. TORUS Workflow

23. Live TORUS Demonstration

24. Summary

27. Lay out entries for approaches

28. Check fastest paths

29. Sketch in line for fastest path and fit radii

30. Iterate if needed

31. Check entry angles

32. Revise if needed

33. Check design vehicle paths

34. Modify if needed

36. Iterative Design Process

37. GPS Field Research

38. TORUS Workflow

39. Live TORUS Demonstration

40. Summary

42. Study used to develop key TORUS algorithms

43. Observations were intended to provide data for:

44. Variation in vehicle paths vs. ICD

45. Speed profiles based on different vehicles

46. Acceleration/deceleration values and patterns for different roundabout configurations

48. GPS Field Research

49. GPS Field Research

50. GPS Field Research

51. GPS Field Research

53. Iterative Design Process

54. GPS Field Research

55. TORUS Workflow

56. Live TORUS Demonstration

57. Summary

60. Set roundabout Design guidelines parameters

61. Design Vehicle Movements

62. Fastest Paths

63. Sight lines

64. Generate Reports

65. Step 2: Fitting Refined Edges (Geometric elements)

66. Confirm Fastest Paths on refined edges

67. Confirm vehicle movements not supported by TORUS

69. Vehicles

70. Inscribe Circle

71. Circulatory Offsets

72. Footprint offset

73. Legs

74. Bypass Lane Offset

75. Splitter Island Envelope

76. Refuge / Crosswalk

77. Fastest path

78. Refined Edges

80. Inscribe Circle Diameter

81. Central Island Diameter

82. Truck Apron

83. Toolbox

84. Add Approach legs

85. Delete Legs

86. Edit Legs

87. Replace Leg Reference Geometry

88. Rotate Legs

90. Evaluate Fastest Path

91. Evaluate Sight Lines

92. Evaluate Movements

93. Run Animation

94. Refinement

95. Refine Arcs

96. Generate Reports

97. Fastest Path

98. Curve Table

99. Design Manager

101. Iterative Design Process

102. GPS Field Research

103. TORUS Workflow

104. Live TORUS Demonstration

105. Summary

107. Iterative Design Process

108. GPS Field Research

109. TORUS Workflow

110. Live TORUS Demonstration

111. Summary

113. TORUS users need to understand its capabilities

114. TORUS is not a substitute for sound engineering judgment

115. TORUS users should seek to increase their roundabout design knowledge through training, conferences, workshops etc

117. Iterative Design Process

118. GPS Field Research

119. TORUS Workflow

120. Live TORUS Demonstration

121. Summary