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128 The following tables are a summary of the survey responses on the factors considered in select- ing proper 1L2W traffic control methods. In each cell, percentage and actual frequency of the responses are listed. A P P E N D I X C Survey Results on Affecting Factors
Survey Results on Affecting Factors 129 Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let- to-bid 1 (Not at all Important) 0.00% 0.00% 0.00% 10.00% 44.40% 0.00% 0.00% 9.10% 9.10% 9.10% 10.00% ~ ~ ~ 1 4 ~ ~ 1 1 1 1 2 0.00% 0.00% 0.00% 10.00% 22.20% 0.00% 30.00% 0.00% 9.10% 9.10% 20.00% ~ ~ ~ 1 2 ~ 3 ~ 1 1 2 3 20.00% 20.00% 20.00% 20.00% 11.10% 18.20% 0.00% 36.40% 27.30% 9.10% 20.00% 2 2 2 2 1 2 ~ 4 3 1 2 4 20.00% 50.00% 30.00% 20.00% 22.20% 36.40% 20.00% 27.30% 9.10% 45.50% 40.00% 2 5 3 2 2 4 2 3 1 5 4 5 (Very Important) 60.00% 30.00% 50.00% 40.00% 0.00% 45.50% 50.00% 27.30% 45.50% 27.30% 10.00% 6 3 5 4 ~ 5 5 3 5 3 1 Total 10 10 10 10 9 11 10 11 11 11 10 In- House 1 (Not at all Important) 11.10% 11.10% 11.10% 25.00% 28.60% 22.20% 14.30% 25.00% 37.50% 25.00% 14.30% 1 1 1 2 2 2 1 2 3 2 1 2 0.00% 11.10% 0.00% 0.00% 14.30% 0.00% 14.30% 0.00% 0.00% 0.00% 14.30% ~ 1 ~ ~ 1 ~ 1 ~ ~ ~ 1 3 22.20% 33.30% 11.10% 12.50% 14.30% 11.10% 0.00% 0.00% 0.00% 12.50% 14.30% 2 3 1 1 1 1 ~ ~ ~ 1 1 4 11.10% 0.00% 0.00% 0.00% 28.60% 0.00% 14.30% 0.00% 0.00% 12.50% 14.30% 1 ~ ~ ~ 2 ~ 1 ~ ~ 1 1 5 (Very Important) 55.60% 44.40% 77.80% 62.50% 14.30% 66.70% 57.10% 75.00% 62.50% 50.00% 42.90% 5 4 7 5 1 6 4 6 5 4 3 Total 9 9 9 8 7 9 7 8 8 8 7 In- House & Let- to-bid 1 (Not at all Important) 6.90% 10.30% 3.60% 10.30% 37.90% 17.20% 20.70% 11.10% 7.10% 17.90% 32.10% 2 3 1 3 11 5 6 3 2 5 9 2 13.80% 3.40% 3.60% 13.80% 20.70% 10.30% 10.30% 11.10% 10.70% 3.60% 10.70% 4 1 1 4 6 3 3 3 3 1 3 3 17.20% 34.50% 21.40% 24.10% 13.80% 27.60% 34.50% 33.30% 50.00% 32.10% 25.00% 5 10 6 7 4 8 10 9 14 9 7 4 20.70% 13.80% 14.30% 13.80% 6.90% 10.30% 13.80% 14.80% 14.30% 21.40% 17.90% 6 4 4 4 2 3 4 4 4 6 5 5 (Very Important) 41.40% 37.90% 57.10% 37.90% 20.70% 34.50% 20.70% 29.60% 17.90% 25.00% 14.30% 12 11 16 11 6 10 6 8 5 7 4 Total 29 29 28 29 29 29 29 27 28 28 28 Table C-1. Level of importance of the factors in selecting flagger control.
130 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let- to-bid 1 (Not at all Important) 28.60% 57.10% 28.60% 28.60% 50.00% 57.10% 57.10% 71.40% 71.40% 71.40% 71.40% 2 4 2 2 3 4 4 5 5 5 5 2 0.00% 0.00% 0.00% 0.00% 16.70% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ 1 ~ ~ ~ ~ ~ ~ 3 28.60% 28.60% 14.30% 28.60% 16.70% 28.60% 28.60% 14.30% 14.30% 0.00% 14.30% 2 2 1 2 1 2 2 1 1 ~ 1 4 14.30% 14.30% 28.60% 0.00% 16.70% 0.00% 0.00% 0.00% 0.00% 28.60% 14.30% 1 1 2 ~ 1 ~ ~ ~ ~ 2 1 5 (Very Important) 28.60% 0.00% 28.60% 42.90% 0.00% 14.30% 14.30% 14.30% 14.30% 0.00% 0.00% 2 ~ 2 3 ~ 1 1 1 1 ~ ~ Total 7 7 7 7 6 7 7 7 7 7 7 In- House 1 (Not at all Important) 50.00% 50.00% 50.00% 50.00% 66.70% 50.00% 33.30% 33.30% 33.30% 33.30% 33.30% 2 2 2 2 2 2 1 1 1 1 1 2 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 3 25.00% 50.00% 25.00% 25.00% 33.30% 25.00% 33.30% 33.30% 33.30% 33.30% 33.30% 1 2 1 1 1 1 1 1 1 1 1 4 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 33.30% 33.30% ~ ~ ~ ~ ~ ~ ~ ~ ~ 1 1 5 (Very Important) 25.00% 0.00% 25.00% 25.00% 0.00% 25.00% 33.30% 33.30% 33.30% 0.00% 0.00% 1 ~ 1 1 ~ 1 1 1 1 ~ ~ Total 4 4 4 4 3 4 3 3 3 3 3 In- House & Let- to-bid 1 (Not at all Important) 26.30% 52.90% 15.80% 36.80% 61.10% 58.80% 52.90% 58.80% 44.40% 55.60% 66.70% 5 9 3 7 11 10 9 10 8 10 12 2 0.00% 0.00% 0.00% 5.30% 11.10% 11.80% 5.90% 5.90% 5.60% 0.00% 0.00% ~ ~ ~ 1 2 2 1 1 1 ~ ~ 3 21.10% 11.80% 10.50% 21.10% 16.70% 11.80% 23.50% 17.60% 33.30% 22.20% 16.70% 4 2 2 4 3 2 4 3 6 4 3 4 21.10% 11.80% 31.60% 15.80% 0.00% 0.00% 0.00% 0.00% 5.60% 5.60% 5.60% 4 2 6 3 ~ ~ ~ ~ 1 1 1 5 (Very Important) 31.60% 23.50% 42.10% 21.10% 11.10% 17.60% 17.60% 17.60% 11.10% 16.70% 11.10% 6 4 8 4 2 3 3 3 2 3 2 Total 19 17 19 19 18 17 17 17 18 18 18 Table C-2. Level of importance of the factors in selecting flagger with advance flagger.
Survey Results on Affecting Factors 131 Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let-to- bid 1 (Not at all Important) 60.00% 60.00% 40.00% 60.00% 80.00% 80.00% 80.00% 60.00% 60.00% 80.00% 80.00% 3 3 2 3 4 4 4 3 3 4 4 2 0.00% 0.00% 20.00% 20.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ 1 1 ~ ~ ~ ~ ~ ~ ~ 3 40.00% 20.00% 40.00% 20.00% 0.00% 20.00% 20.00% 20.00% 40.00% 0.00% 20.00% 2 1 2 1 ~ 1 1 1 2 ~ 1 4 0.00% 0.00% 0.00% 0.00% 20.00% 0.00% 0.00% 20.00% 0.00% 20.00% 0.00% ~ ~ ~ ~ 1 ~ ~ 1 ~ 1 ~ 5 (Very Important) 0.00% 20.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ 1 ~ ~ ~ ~ ~ ~ ~ ~ ~ Total 5 5 5 5 5 5 5 5 5 5 5 In- House 1 (Not at all Important) 66.70% 66.70% 66.70% 66.70% 66.70% 66.70% 50.00% 50.00% 50.00% 50.00% 50.00% 2 2 2 2 2 2 1 1 1 1 1 2 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 3 33.30% 33.30% 0.00% 33.30% 33.30% 33.30% 50.00% 50.00% 50.00% 50.00% 50.00% 1 1 ~ 1 1 1 1 1 1 1 1 4 0.00% 0.00% 33.30% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ 1 ~ ~ ~ ~ ~ ~ ~ ~ 5 (Very Important) 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Total 3 3 3 3 3 3 2 2 2 2 2 In- House & Let-to- bid 1 (Not at all Important) 53.30% 50.00% 57.10% 60.00% 73.30% 60.00% 66.70% 71.40% 85.70% 64.30% 78.60% 8 8 8 9 11 9 10 10 12 9 11 2 6.70% 6.30% 7.10% 0.00% 6.70% 0.00% 0.00% 0.00% 0.00% 7.10% 0.00% 1 1 1 ~ 1 ~ ~ ~ ~ 1 ~ 3 0.00% 12.50% 14.30% 6.70% 0.00% 6.70% 20.00% 7.10% 7.10% 7.10% 7.10% ~ 2 2 1 ~ 1 3 1 1 1 1 4 13.30% 6.30% 7.10% 13.30% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 2 1 1 2 ~ ~ ~ ~ ~ ~ ~ 5 (Very Important) 26.70% 25.00% 14.30% 20.00% 20.00% 33.30% 13.30% 21.40% 7.10% 21.40% 14.30% 4 4 2 3 3 5 2 3 1 3 2 Total 15 16 14 15 15 15 15 14 14 14 14 Table C-3. Level of importance of the factors in selecting flag transfer control.
132 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let- to-bid 1 (Not at all Important) 16.70% 16.70% 16.70% 33.30% 66.70% 50.00% 50.00% 66.70% 50.00% 33.30% 66.70% 1 1 1 2 4 3 3 4 3 2 4 2 0.00% 16.70% 0.00% 0.00% 16.70% 0.00% 16.70% 16.70% 0.00% 33.30% 16.70% ~ 1 ~ ~ 1 ~ 1 1 ~ 2 1 3 16.70% 16.70% 16.70% 16.70% 16.70% 16.70% 16.70% 16.70% 33.30% 16.70% 16.70% 1 1 1 1 1 1 1 1 2 1 1 4 0.00% 0.00% 0.00% 16.70% 0.00% 0.00% 0.00% 0.00% 16.70% 16.70% 0.00% ~ ~ ~ 1 ~ ~ ~ ~ 1 1 ~ 5 (Very Important) 66.70% 50.00% 66.70% 33.30% 0.00% 33.30% 16.70% 0.00% 0.00% 0.00% 0.00% 4 3 4 2 ~ 2 1 ~ ~ ~ ~ Total 6 6 6 6 6 6 6 6 6 6 6 In- House 1 (Not at all Important) 33.30% 33.30% 33.30% 33.30% 33.30% 33.30% 50.00% 50.00% 50.00% 50.00% 50.00% 1 1 1 1 1 1 1 1 1 1 1 2 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 3 33.30% 33.30% 33.30% 33.30% 33.30% 33.30% 50.00% 50.00% 50.00% 50.00% 50.00% 1 1 1 1 1 1 1 1 1 1 1 4 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 5 (Very Important) 33.30% 33.30% 33.30% 33.30% 33.30% 33.30% 0.00% 0.00% 0.00% 0.00% 0.00% 1 1 1 1 1 1 ~ ~ ~ ~ ~ Total 3 3 3 3 3 3 2 2 2 2 2 In- House & Let- to-bid 1 (Not at all Important) 29.40% 41.20% 35.30% 35.30% 70.60% 41.20% 41.20% 19.00% 35.30% 41.20% 50.00% 5 7 6 6 12 7 7 4 6 7 8 2 5.90% 0.00% 0.00% 0.00% 5.90% 5.90% 11.80% 19.00% 11.80% 17.60% 12.50% 1 ~ ~ ~ 1 1 2 4 2 3 2 3 5.90% 5.90% 5.90% 11.80% 11.80% 23.50% 35.30% 19.00% 29.40% 23.50% 31.30% 1 1 1 2 2 4 6 4 5 4 5 4 5.90% 5.90% 5.90% 5.90% 0.00% 5.90% 5.90% 23.80% 11.80% 5.90% 0.00% 1 1 1 1 ~ 1 1 5 2 1 ~ 5 (Very Important) 52.90% 47.10% 52.90% 47.10% 11.80% 23.50% 5.90% 19.00% 11.80% 11.80% 6.30% 9 8 9 8 2 4 1 4 2 2 1 Total 17 17 17 17 17 17 17 21 17 17 16 Table C-4. Level of importance of the factors in selecting self-managed control.
Survey Results on Affecting Factors 133 Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let- to-bid 1 (Not at all Important) 12.50% 12.50% 0.00% 25.00% 57.10% 37.50% 25.00% 25.00% 37.50% 12.50% 28.60% 1 1 ~ 2 4 3 2 2 3 1 2 2 0.00% 0.00% 0.00% 12.50% 0.00% 0.00% 0.00% 0.00% 0.00% 12.50% 14.30% ~ ~ ~ 1 ~ ~ ~ ~ ~ 1 1 3 37.50% 12.50% 37.50% 12.50% 14.30% 37.50% 12.50% 50.00% 25.00% 37.50% 28.60% 3 1 3 1 1 3 1 4 2 3 2 4 12.50% 25.00% 12.50% 0.00% 28.60% 0.00% 25.00% 0.00% 25.00% 12.50% 14.30% 1 2 1 ~ 2 ~ 2 ~ 2 1 1 5 (Very Important) 37.50% 50.00% 50.00% 50.00% 0.00% 25.00% 37.50% 25.00% 12.50% 25.00% 14.30% 3 4 4 4 ~ 2 3 2 1 2 1 Total 8 8 8 8 7 8 8 8 8 8 7 In- House 1 (Not at all Important) 16.70% 16.70% 16.70% 16.70% 0.00% 16.70% 20.00% 20.00% 20.00% 20.00% 40.00% 1 1 1 1 ~ 1 1 1 1 1 2 2 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 20.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ 1 ~ ~ ~ ~ 3 33.30% 16.70% 16.70% 16.70% 20.00% 33.30% 40.00% 40.00% 40.00% 40.00% 40.00% 2 1 1 1 1 2 2 2 2 2 2 4 0.00% 16.70% 0.00% 0.00% 60.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% ~ 1 ~ ~ 3 ~ ~ ~ ~ ~ ~ 5 (Very Important) 50.00% 50.00% 66.70% 66.70% 20.00% 50.00% 20.00% 40.00% 40.00% 40.00% 20.00% 3 3 4 4 1 3 1 2 2 2 1 Total 6 6 6 6 5 6 5 5 5 5 5 In- House & Let- to-bid 1 (Not at all Important) 27.80% 31.60% 38.90% 38.90% 55.60% 27.80% 31.60% 33.30% 44.40% 36.80% 57.90% 5 6 7 7 10 5 6 6 8 7 11 2 11.10% 10.50% 0.00% 5.60% 16.70% 11.10% 5.30% 5.60% 16.70% 5.30% 0.00% 2 2 ~ 1 3 2 1 1 3 1 ~ 3 16.70% 15.80% 0.00% 0.00% 11.10% 22.20% 31.60% 33.30% 22.20% 21.10% 21.10% 3 3 ~ ~ 2 4 6 6 4 4 4 4 5.60% 10.50% 5.60% 27.80% 5.60% 5.60% 10.50% 5.60% 0.00% 15.80% 10.50% 1 2 1 5 1 1 2 1 ~ 3 2 5 (Very Important) 38.90% 31.60% 55.60% 27.80% 11.10% 33.30% 21.10% 22.20% 16.70% 21.10% 10.50% 7 6 10 5 2 6 4 4 3 4 2 Total 18 19 18 18 18 18 19 18 18 19 19 Table C-5. Level of importance of the factors in selecting AFADs.
134 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let- to-bid 1 (Not at all Important) 0.00% 0.00% 0.00% 10.00% 55.60% 30.00% 0.00% 30.00% 20.00% 10.00% 20.00% ~ ~ ~ 1 5 3 ~ 3 2 1 2 2 10.00% 10.00% 10.00% 10.00% 11.10% 10.00% 0.00% 30.00% 10.00% 20.00% 30.00% 1 1 1 1 1 1 ~ 3 1 2 3 3 20.00% 10.00% 10.00% 20.00% 22.20% 40.00% 18.20% 20.00% 20.00% 20.00% 10.00% 2 1 1 2 2 4 2 2 2 2 1 4 30.00% 30.00% 30.00% 20.00% 11.10% 10.00% 27.30% 0.00% 20.00% 20.00% 20.00% 3 3 3 2 1 1 3 ~ 2 2 2 5 (Very Important) 40.00% 50.00% 50.00% 40.00% 0.00% 10.00% 54.50% 20.00% 30.00% 30.00% 20.00% 4 5 5 4 ~ 1 6 2 3 3 2 Total 10 10 10 10 9 10 11 10 10 10 10 In- House 1 (Not at all Important) 16.70% 14.30% 14.30% 16.70% 20.00% 16.70% 0.00% 0.00% 16.70% 20.00% 0.00% 1 1 1 1 1 1 ~ ~ 1 1 ~ 2 0.00% 0.00% 0.00% 0.00% 0.00% 16.70% 0.00% 16.70% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ 1 ~ 1 ~ ~ ~ 3 16.70% 14.30% 14.30% 16.70% 40.00% 50.00% 16.70% 16.70% 16.70% 40.00% 16.70% 1 1 1 1 2 3 1 1 1 2 1 4 0.00% 28.60% 14.30% 0.00% 20.00% 0.00% 16.70% 16.70% 16.70% 0.00% 33.30% ~ 2 1 ~ 1 ~ 1 1 1 ~ 2 5 (Very Important) 66.70% 42.90% 57.10% 66.70% 20.00% 16.70% 66.70% 50.00% 50.00% 40.00% 50.00% 4 3 4 4 1 1 4 3 3 2 3 Total 6 7 7 6 5 6 6 6 6 5 6 In- House & Let- to-bid 1 (Not at all Important) 14.30% 10.30% 11.10% 14.30% 64.30% 35.70% 0.00% 37.00% 14.80% 32.10% 27.60% 4 3 3 4 18 10 ~ 10 4 9 8 2 7.10% 6.90% 3.70% 21.40% 7.10% 14.30% 6.70% 11.10% 7.40% 10.70% 6.90% 2 2 1 6 2 4 2 3 2 3 2 3 21.40% 13.80% 18.50% 14.30% 14.30% 17.90% 20.00% 29.60% 18.50% 25.00% 27.60% 6 4 5 4 4 5 6 8 5 7 8 4 21.40% 17.20% 7.40% 25.00% 7.10% 7.10% 20.00% 7.40% 29.60% 21.40% 17.20% 6 5 2 7 2 2 6 2 8 6 5 5 (Very Important) 35.70% 51.70% 59.30% 25.00% 7.10% 25.00% 53.30% 14.80% 29.60% 10.70% 20.70% 10 15 16 7 2 7 16 4 8 3 6 Total 28 29 27 28 28 28 30 27 27 28 29 Table C-6. Level of importance of the factors in selecting TTCSs.
Survey Results on Affecting Factors 135 Type Level of Importance Factors Topography Length of Closure Sight Distance Alignment Weather Short- Term Long- Term Daytime Operations Only Daytime and Nighttime Working Hours Non- Working Hours Let- to-bid 1 (Not at all Important) 10.00% 10.00% 10.00% 40.00% 44.40% 10.00% 0.00% 10.00% 10.00% 10.00% 20.00% 1 1 1 4 4 1 ~ 1 1 1 2 2 30.00% 0.00% 10.00% 20.00% 11.10% 0.00% 20.00% 0.00% 0.00% 20.00% 30.00% 3 ~ 1 2 1 ~ 2 ~ ~ 2 3 3 20.00% 10.00% 20.00% 20.00% 33.30% 40.00% 60.00% 50.00% 50.00% 10.00% 20.00% 2 1 2 2 3 4 6 5 5 1 2 4 30.00% 40.00% 40.00% 0.00% 11.10% 20.00% 10.00% 0.00% 10.00% 20.00% 20.00% 3 4 4 ~ 1 2 1 ~ 1 2 2 5 (Very Important) 10.00% 40.00% 20.00% 20.00% 0.00% 30.00% 10.00% 40.00% 30.00% 40.00% 10.00% 1 4 2 2 ~ 3 1 4 3 4 1 Total 10 10 10 10 9 10 10 10 10 10 10 In- House 1 (Not at all Important) 0.00% 0.00% 0.00% 16.70% 20.00% 16.70% 20.00% 16.70% 20.00% 20.00% 40.00% ~ ~ ~ 1 1 1 1 1 1 1 2 2 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 20.00% 0.00% 0.00% 0.00% 0.00% ~ ~ ~ ~ ~ ~ 1 ~ ~ ~ ~ 3 33.30% 16.70% 50.00% 33.30% 40.00% 16.70% 40.00% 33.30% 20.00% 40.00% 40.00% 2 1 3 2 2 1 2 2 1 2 2 4 16.70% 16.70% 0.00% 0.00% 20.00% 16.70% 0.00% 0.00% 0.00% 0.00% 0.00% 1 1 ~ ~ 1 1 ~ ~ ~ ~ ~ 5 (Very Important) 50.00% 66.70% 50.00% 50.00% 20.00% 50.00% 20.00% 50.00% 60.00% 40.00% 20.00% 3 4 3 3 1 3 1 3 3 2 1 Total 6 6 6 6 5 6 5 6 5 5 5 In- House & Let- to-bid 1 (Not at all Important) 18.20% 4.20% 19.00% 22.70% 54.50% 30.40% 13.00% 19.00% 9.50% 22.70% 33.30% 4 1 4 5 12 7 3 4 2 5 7 2 13.60% 12.50% 19.00% 31.80% 22.70% 21.70% 26.10% 19.00% 19.00% 9.10% 9.50% 3 3 4 7 5 5 6 4 4 2 2 3 18.20% 12.50% 23.80% 22.70% 13.60% 34.80% 34.80% 19.00% 33.30% 36.40% 28.60% 4 3 5 5 3 8 8 4 7 8 6 4 27.30% 16.70% 4.80% 9.10% 4.50% 0.00% 8.70% 23.80% 19.00% 18.20% 14.30% 6 4 1 2 1 ~ 2 5 4 4 3 5 (Very Important) 22.70% 54.20% 33.30% 13.60% 4.50% 13.00% 17.40% 19.00% 19.00% 13.60% 14.30% 5 13 7 3 1 3 4 4 4 3 3 Total 22 24 21 22 22 23 23 21 21 22 21 Table C-7. Level of importance of the factors in selecting pilot car.