Research on Operation Characteristics and Safety Risk Forecast of Bus Driven by Multisource Forewarning Data

Table 6

Distribution of bus forewarning types for drivers of different driving years.

Feature name	Feature coding	Total number		Driver fatigue		Vehicle abnormal state
		Quantity	Percentage	Quantity	Percentage	Quantity	Percentage
Driving years	Less than 5 years	2009	0.68	855	0.66	1154	0.69
	5–9 years	65889	22.17	26811	20.67	39078	23.33
	10–14 years	30452	10.25	13351	10.29	17101	10.21
	15–19 years	105964	35.66	46778	36.07	59186	35.34
	20–24 years	68677	23.11	31030	23.93	37647	22.48
	25–29 years	19281	6.49	8716	6.72	10565	6.31
	More than 30 years	4917	1.65	2152	1.66	2765	1.65