Road traffic volume for intervention streets over time
| Street | 8.00–9.00 | 12.00–13.00 | 17.00–18.00 | 21.00–22.00 | Overall* | ||||||||||
| Pre | 1 year | 3 years | Pre | 1 year | 3 years | Pre | 1 year | 3 years | Pre | 1 year | 3 years | Pre | 1 year | 3 years | |
| Chichester Street | 531 | 416 (−115.1) | 382 (−149.0) | 666 | 577 (−88.9) | 429 (−237.0) | 613 | 689 (75.7) | 408 (−205.0) | 364 | 396 (31.9) | 300 (−64.0) | 424 | 397 (−27.0) | 320 (−104.2) |
| Donegall Place | 115 | 98 (−16.7) | 47 (−68.0) | 130 | 108 (−22.4) | 59 −71.0) | 123 | 131 (8.0) | 75 (−48.0) | 107 | 102 (−4.6) | 74 (−33.0) | 100 | 99 (−0.8) | 63 (−37.2) |
| Donegall Street | 461 | 124 (−337.0) | 125 (−336.5) | 560 | 220 (−339.8) | 222 (−338.0) | 626 | 267 (−359.2) | 259 (−367.5) | 368 | 154 (−213.7) | 168 (−200.5) | 378 | 161 (−216.7) | 165 (−212.6) |
| Howard Street | 678 | 511 (−166.6) | 486 (−192.0) | 687 | 554 (−133.0) | 592 (−95.0) | 657 | 652 (−5.3) | 528 (−129.0) | 398 | 414 (15.6) | 446 (48.0) | 454 | 406 (−48.3) | 420 (−34.2) |
| May Street | 686 | 522 (−164.4) | 509 (−177.0) | 589 | 489 (−100.1) | 553 (−36.0) | 487 | 467 (−20.4) | 574 (87.0) | 297 | 284 (−12.7) | 362 (65.0) | 388 | 322 (−65.9) | 389 (1.0) |
| North Street | 441 | 144 (−296.9) | 55 (−386.0) | 557 | 178 (−379.1) | 97 (−460.0) | 646 | 299 (−347.4) | 112 (−534.0) | 289 | 125 (−164.4) | 57 (−232.0) | 335 | 142 (−193.2) | 61 (−274.1) |
| Queen Street | 94 | 94 (0.3) | 117 (22.5) | 141 | 132 (−8.6) | 222 (81.0) | 125 | 119 (−6.0) | 288 (162.5) | 52 | 53 (1.0) | 132 (80.0) | 74 | 74 (0.5) | 147 (73.0) |
| Royal Avenue | 170 | 93 −77.4) | 271 (101.0) | 148 | 126 (−22.5) | 335 (187.3) | 165 | 149 (−15.6) | 339 (174.3) | 74 | 63 (−11.2) | 232 (158.0) | 96 | 82 (−14.2) | 234 (137.8) |
| Wellington Place | 722 | 479 (−242.9) | 95 (−627.5) | 842 | 586 (−256.4) | 162 (−680.5) | 697 | 564 (−132.9) | 213 (−484.5) | 484 | 427 (−56.9) | 90 (−394.5) | 538 | 415 (−123.1) | 109 (−428.5) |
| York Street | 457 | 131 (−326.3) | 94 (−363.0) | 561 | 211 (−349.9) | 166 (−395.0) | 533 | 309 (−223.6) | 261 (−272.5) | 212 | 97 (−115.5) | 78 (−134.5) | 305 | 143 (−162.2) | 116 (−189.8) |
| Overall* | 4355 | 2612 (−1743.0) | 2180 (−2175.5) | 4881 | 3180 (−1700.6) | 2837 (−2044.3) | 4672 | 3645 (−1026.6) | 3055 (−1616.8) | 2645 | 2115 (−530.4) | 1938 (−707.5) | 3092 | 2241 (−850.8) | 1996 (−1095.5) |
| Median Difference | −166 (−297 to –77) | −185 (−363 to –68) | −117 (−340 to –23) | −166 (−395 to –36) | −18 (−224 to –5) | −167 (−368 to 87) | −12 (−116 to 1) | −49 (−201 to 65) | −57 (−162 to –14) | −71 (−213 to 1) | |||||
| P value | P<0.00 | P=0.01 | P<0.00 | P=0.03 | P=0.03 | P=0.05 | P=0.06 | P=0.18 | P<0.00 | P=0.05 | |||||
(.) Change in volume from pre-implementation.
*Restricted to sites with data recorded at all time points.