Driver Route Planning Method Based on Accident Risk Cost Prediction

Table 1

Indicator set of accident cost impact factors.

No.	Index	Definition	Description
1	A_D15_20	Crashes involving a young driver (aged 15–20)	Young driver involved crash (aged 15–20) = 1, otherwise = 2
2	A_D65PLS	Crashes involving an older driver (aged 65+)	Older driver involved crash (aged 65+) = 1, otherwise = 2
3	A_DIST	Involving a distracted driver	Involving a distracted driver = 1, otherwise = 2
4	A_DROWSY	Involving a drowsy driver	Involving a drowsy driver = 1, otherwise = 2
5	A_RELRD	Relationship to the traffic way	On roadway = 1, off median = 2, off shoulder = 3, off roadway = 4
6	A_SPCRA	Involving speeding	Speeding involved crash = 1, otherwise = 2
7	DRYNK_DR	Number of drunk drivers	Number of drunk drivers = 1, 2, 4, no drunk drivers = 0
8	REST_USE	Restraint system use	None used = 0; otherwise = 1
9	Sex	Driver gender	Female driver involved crash = 2, otherwise = 1
10	A_LIC_S	License status	Valid = 1, invalid = 0
11	PREV_ACC	Previous recorded crashes	Number of previous recorded crashes = 1, 2, 3, 4, 5, 6, 7, 8, no record = 0
12	A_LT	Involving a large truck	Large truck involved CRASH = 1, otherwise = 2
13	HAZ_INV	Hazardous material involvement	No = 1, yes = 2
14	A_RU	Land use (rural/urban)	Rural = 1, urban = 2
15	A_INTSEC	Intersection	Intersection = 1, nonintersection = 2
16	VALIGN	Roadway alignment	Straight = 1, curve = 2
17	VSURCOND	Roadway surface condition	Dry = 1, wet = 2, mud, sand = 3, dirt or gravel = 4, snow = 5, water (standing or moving) = 6, slush = 7, ice/frost = 8
18	VTRAFCON	Traffic control device	No controls = 0, otherwise = 1
19	A_DOW	Day of week	Weekday = 1, weekend = 2
20	A_TOD	Time of day	Daytime = 1, nighttime = 2
21	WEATHER	Atmospheric conditions	Clear = 1, cloudy = 2, rain = 3, fog = 4, freezing rain or drizzle = 5, snow = 6, sleet or hail = 7, severe crosswinds = 8, blowing sand, soil, dirt = 9, blowing snow = 10
22	LGT_CON	Light condition	Daylight = 1, dark-lighted = 2, dawn = 3, dusk = 4, dark-not lighted = 5