Vehicle volume | Violation rate | High violation rate | Mean violation speed | Max violation speed | Mean speed | |
MD (95% CI) | MD (95% CI) | MD (95% CI) | MD (95% CI) | MD (95% CI) | MD (95% CI) | |
Fixed | ||||||
Time period | ||||||
Warning | Ref | Ref | Ref | Ref | Ref | Ref |
Citation | 37.1 (−10.4 to 84.7) | − 6.13 ( − 10.1 to 2.17) | −0.83 (−2.01 to 0.35) | 0.072 (−0.095 to 0.24) | − 2.14 ( − 2.87 to 1.42) | − 1.12 ( − 1.64 to 0.60) |
Day | ||||||
Monday | Ref | Ref | Ref | Ref | Ref | Ref |
Tuesday | 13.9 (8.44 to 19.4) | − 0.79 ( − 0.96 to 0.61) | −0.19 (−0.42 to 0.044) | − 0.13 ( − 0.19 to 0.065) | − 0.26 ( − 0.43 to 0.096) | − 0 .26 ( − 0.31 to 0.21) |
Wednesday | 19.3 (11.5 to 27.2) | − 0.62 ( − 0.88 to 0.36) | −0.32 (−0.74, 0.098) | − 0.10 ( − 0.18 to 0.030) | − 0.23 ( − 0.43 to 0.035) | − 0.28 ( − 0.32 to 0.24) |
Thursday | 25.2 (18.1 to 32.3) | − 0.13 ( − 0.24 to 0.013) | −0.046 (−0.37 to 0.28) | −0.058 (−0.17 to 0.052) | −0.11 (−0.33 to 0.10) | − 0.40 ( − 0.47 to 0.32) |
Friday | 37.2 (25.4 to 49.0) | 0.06 (−0.36 to 0.48) | −0.15 (−0.46 to 0.16) | −0.068 (−0.17 to 0.032) | −0.030 (−0.27, 0.21) | − 0.23 ( − 0.35 to 0.10) |
Quarter | ||||||
Fall | Ref | Ref | Ref | Ref | Ref | Ref |
Winter | − 31.7 ( − 47.4 to 16.0 ) | 1.73 (1.02 to 2.43) | 0.26 (0.065 to 0.45) | 0.029 (−0.14 to 0.19) | 0.71 (0.27 to 1.14) | − 0.15 ( − 0.25 to 0.043) |
Spring | −16.5 (−33.9, 0.90) | 1.35 (0.70 to 1.99) | 0.12 (−0.089 to 0.32) | −0.011 (−0.11 to 0.090) | 0.49 (0.10 to 0.88) | − 0.62 ( − 0.96 to 0.28) |
Intercept | 438.6 (326.0 to 551.3) | 11.8 (7.34 to 16.4) | 1.83 (0.44 to 0.32) | 29.5 (29.0 to 29.9) | 35.6 (34.4 to 37.0) | 25.8 (24.7 to 26.9) |
Random | ||||||
Camera | 51.3 (26.8 to 98.4) | 4.71 (2.95 to 7.53) | 1.42 (0.69 to 2.94) | 0.086 (0.030 to 0.24) | 0.77 (0.44 to 1.34) | 0.62 (0.37 to 1.03) |
Intercept | 145.9 (101.4 to 210.0) | 5.42 (3.50 to 8.39) | 1.45 (0.68 to 3.08) | 0.56 (0.34 to 0.91) | 1.63 (0.85 to 3.09) | 1.33 (0.83 to 2.12) |
Correlation | 0.33 (−0.06, 0.63) | −0.97 (−0.99 to 0.92) | −0.95 (−0.99 to 0.57) | −1.00 (−1.00 to 0.99) | −0.43 (−0.76 to 0.068) | 0.14 (−0.68 to 0.80) |
Residual | 142.9 (102.1 to 200.0) | 12.8 (10.8 to 15.3) | 7.70 (0.59 to 1.00) | 1.66 (1.54 to 1.80) | 3.71 (3.52 to 3.91) | 4.18 (3.67 to 4.75) |
Bolded results highlight findings whose 95% CI does not cross 0.
MD, mean differences.