Bureau of Transportation Statistics (BTS)

Table 3
Delphi Process for Speed Monitoring Program Results

    Round 1 Round 2
    Mean Standard Deviation Rank Mean Standard Deviation Rank
Distribution criteria Spatial 31 13.8 3 34.2 11.3 2
Crash 33 10.9 2 31 9.4 3
DVMT 36 9.4 1 34.8 6.7 1
Crash type All 24.7 18.3 3 27.9 16.9 2
All fatal 20 9.6 4 19 8.2 4
Speed 29.3 9.8 1 28.8 7.4 1
Fatal speed 28.6 8.9 2 24.3 10.3 3
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