Table 2.
Dynamic spatial accuracy in percent of points and mean and median errors in meters, for four modes of transport within three area types.
| Area type | Trip mode | n | % Of points |
Distance from lane in meters |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Within lane | <2.5 m Outside of lane | <10 m Outside of lane | Mean | SD | Median | IQR | ||||
| Open | Walking | 2592 | 26.6 | 43.6 | 85.9 | 5.1 | 10.2 | 1.0 | 0.0 | 3.3 |
| Bicycle | 1559 | 37.8 | 35.9 | 91.4 | 3.4 | 7.7 | 0.6 | 0.0 | 2.7 | |
| Bus | 1399 | 50.3 | 23.0 | 91.2 | 3.8 | 10.0 | 0.0 | 0.0 | 2.8 | |
| Car | 277 | 48.0 | 22.4 | 89.5 | 4.3 | 9.8 | 0.1 | 0.0 | 3.0 | |
| Half-open | Walking | 22,910 | 13.4 | 27.6 | 77.0 | 7.2 | 10.1 | 3.6 | 0.9 | 9.2 |
| Bicycle | 7620 | 24.7 | 36.5 | 91.3 | 3.9 | 7.3 | 1.6 | 0.0 | 4.1 | |
| Bus | 5410 | 40.4 | 22.0 | 89.7 | 4.0 | 8.0 | 1.0 | 0.0 | 4.8 | |
| Car | 894 | 58.7 | 15.8 | 92.2 | 2.5 | 5.4 | 0.0 | 0.0 | 2.7 | |
| Urban canyon | Walking | 11,124 | 8.0 | 18.3 | 61.9 | 11.5 | 14.0 | 6.7 | 2.3 | 15.7 |
| Bicycle | 3969 | 13.1 | 22.1 | 76.1 | 7.7 | 10.7 | 4.4 | 1.4 | 9.6 | |
| Bus | 3959 | 27.0 | 17.5 | 79.1 | 6.1 | 8.2 | 3.4 | 0.0 | 8.7 | |
| Car | 1119 | 35.7 | 21.1 | 88.4 | 4.2 | 7.0 | 1.5 | 0.0 | 5.3 | |