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Table 10 Summary results for critical headways at turbo roundabout
From: Gap-accepteance parameters for roundabouts: a systematic review
study name | subgroup within study | mean [s] | sample size | st error [s] | z - value | p - value | Q | I2 [%] | |
|---|---|---|---|---|---|---|---|---|---|
major entry | |||||||||
left entry lane | Fortuijn [44] | A1 | 3.37 | 253 | 0.05 | 61.61 | 0.00 | 4.84 | 37.98 |
Fortuijn [44] | A2 | 3.62 | 648 | 0.04 | 97.00 | 0.00 | 4.84 | 37.98 | |
Fortuijn [44] | A3 | 3.66 | 145 | 0.03 | 122.42 | 0.00 | 4.84 | 37.98 | |
Fortuijn [44] | A4 | 3.72 | 269 | 0.03 | 135.58 | 0.00 | 4.84 | 37.98 | |
summary effect (random) | Â | 3.60 | Â | 0.06 | 61.22 | 0.00 | 4.84 | 37.98 | |
right entry lane | Fortuijn [44] | A1 | 3.67 | 421 | 0.04 | 88.59 | 0.00 | 1.00 | 0.00 |
Fortuijn [44] | A2 | 4.17 | 273 | 0.10 | 43.33 | 0.00 | 1.00 | 0.00 | |
summary effect (random) | Â | 3.91 | Â | 0.25 | 15.66 | 0.00 | 1.00 | 0.00 | |
minor entry | |||||||||
left entry lane | |||||||||
outer circulating lane | Fortuijn [44] | A1 | 2.79 | 83 | 0.05 | 50.84 | 0.00 | 2.91 | 31.22 |
Fortuijn [44] | A2 | 3.07 | 154 | 0.06 | 54.43 | 0.00 | 2.91 | 31.22 | |
Fortuijn [44] | A3 | 3.42 | 35 | 0.14 | 25.29 | 0.00 | 2.91 | 31.22 | |
summary effect (random) | Â | 3.07 | Â | 0.15 | 20.85 | 0.00 | 2.91 | 31.22 | |
inner circulating lane | Fortuijn [44] | A1 | 3.15 | 255 | 0.03 | 107.02 | 0.00 | 1.87 | 0.00 |
Fortuijn [44] | A2 | 3.23 | 54 | 0.04 | 87.91 | 0.00 | 1.87 | 0.00 | |
Fortuijn [44] | A3 | 3.24 | 206 | 0.03 | 98.94 | 0.00 | 1.87 | 0.00 | |
summary effect (random) | Â | 3.20 | Â | 0.03 | 106.36 | 0.00 | 1.87 | 0.00 | |
right entry lane | Fortuijn [44] | A1 | 3.37 | 69 | 0.06 | 54.89 | 0.00 | 10.66 | 81.23 |
Fortuijn [44] | A2 | 3.48 | 434 | 0.04 | 99.31 | 0.00 | 10.66 | 81.23 | |
Fortuijn [44] | A3 | 4.93 | 118 | 0.21 | 23.49 | 0.00 | 10.66 | 81.23 | |
summary effect (random) | Â | 3.83 | Â | 0.20 | 18.70 | 0.00 | 10.66 | 81.23 | |