Table 3. Evaluation of the type of crash with respect to a number of road related factors.
| Road related factors | Type of crash | P value | |||
|---|---|---|---|---|---|
| Non-injured vehicular crash (%) | Injury(%) | Death in scene (%) | |||
| Motorway | 268951(77.13) | 77235(22.15) | 2524(0.72) | ||
| Road shoulder | 2826(71.49) | 993(25.12) | 134(3.39) | ||
| Place of crash | The middle lane | 1742(80.31) | 388(17.89) | 39(1.80) | <0.001 |
| Roadside | 2953(60.95) | 1651(34.08) | 241(4.97) | ||
| Outside of road limit | 842(72.03) | 283(24.21) | 44(3.76) | ||
| Unknown | 146618(82.49) | 30751(17.30) | 373(0.21) | ||
| No defect | 160674(78.54) | 42121(20.59) | 1770(0.87) | ||
| Damaged or defective traffic signs | 22483(74.83) | 7388(24.59) | 175(0.58) | ||
| Road narrowing | 15816(69.44) | 6528(28.66) | 431(1.89) | ||
| Bumps | 1376(80.09) | 333(19.38) | 9(0.52) | ||
| Unstable shoulders or nonexistent shoulders | 603(63.94) | 288(30.54) | 52(5.51) | ||
| Lack of standard road guard | 806(58.24) | 503(36.34) | 75(5.42) | ||
| Roadway defect | Partial road collapse | 140(69.65) | 55(27.36) | 6(2.99) | <0.001 |
| Defective pavements | 277(73.67) | 88(23.40) | 11(2.93) | ||
| Acute angle | 474(68.20) | 187(26.91) | 34(4.89) | ||
| Non-standard grading | 264(73.33) | 86(23.89) | 10(2.78) | ||
| Defective lighting | 571(58.99) | 334(34.50) | 63(6.51) | ||
| Slippery road | 746(79.87) | 169(18.09) | 19(2.03) | ||
| Unknown | 219702 (80.29) | 53221 (19.450) | 700 (0.26) | ||
| Straight and flat | 265713 (76.76) | 77884 (22.50) | 2570 (0.74) | ||
| Straight and Uphill/downhill road | 10446 (81.44) | 2225(17.35) | 156(1.22) | ||
| Roadway geometrics | Winding Road and flat | 11994 (74.95) | 3750(23.43) | 258(1.61) | <0.001 |
| Winding Road and Uphill/downhill | 3770 (77.54) | 942(19.37) | 150(3.09) | ||
| Unknown | 135719 (83.26) | 27031 (16.58) | 254 (0.16) | ||
| Dry | 382648 (77.65) | 106963 (21.71) | 3146 (0.64) | ||
| Wet | 22243 (85.59) | 3545 (13.64) | 201(0.77) | ||
| Freezing and snow | 1146 (89.53) | 122 (9.53) | 12(0.94) | ||
| Roadway surface | Sandy | 964 (86.23) | 140 (12.52) | 14(1.25) | <0.001 |
| Muddy | 69 (81.18) | 15 (17.65) | 1(1.18) | ||
| Oily | 22 (75.86) | 6 (20.69) | 1(3.45) | ||
| Unknown | 20550 (95.12) | 1041 (4.82) | 13(.06) | ||