Research Article

An Empirical Assessment of Factors Influencing Injury Severities of Motor Vehicle Crashes on National Highways of Pakistan

Table 1

Descriptive statistics of variables.

VariablesPercentage

Crash injury severity
No/minor/major/fatal6.03/6.93/29.75/57.29

Month
January/February/March/April/May/June6.26/4.41/10.43/11.22/9.14/9.39
July/August/September/October/November/December14.68/10.73/7.99/5.16/5.38/5.21

Day
Monday/Tuesday/Wednesday/Thursday/Friday/Saturday/Sunday16.26/11.9/11.41/13.34/14.73/17.59/14.6
Weekday/weekend69.25/30.75

Weather conditions
Sunny/cloudy/rainy60.15/22.85/17.00

Season
December–February (winter)/March–May (spring)15.88/30.79
June–August (summer)/September–November (autumn)34.80/18.53

Time of the day
12 a.m.–3 a.m./3 a.m.–6 a.m./6 a.m.–9 a.m./9 a.m.–12 p.m.6.12/8.50/14.58/14.43
12 p.m.–3 p.m./3 p.m.–6 p.m./6 p.m.–9 p.m./9 p.m.–12 p.m.16.36/17.30/14.33/8.35
(AM peak: 7 : 30 a.m. to 10 : 30 a.m., PM peak, 4 : 30 p.m. to 7 : 30 p.m., off-peak hours)16.75/16.51/66.74

Driver age
<25 years/25–50 years/over 50 years7.71/87.70/4.59

Gender
Male/female92.98/7.02

Surface condition
Dry/wet92.24/7.76

Light condition
Day/night68.41/31.59

Road type
Urban/rural61.65/38.35

Crash specification
Single vehicle/multiple vehicle34.35/65.65