Development of Risk-Situation Scenario for Autonomous Vehicles on Expressway Using Topic Modeling

Table 3

Typical traffic accident classification.

Ego	Traffic obstacle factors	Cut-in		Cut-out		Acceleration		Deceleration		Sync
Behavior		v-v	v-s	v-v	v-s	v-v	v-s	v-v	v-s	v-v	v-s
Lane keep	Non-working section	1	2	3	4	5	6	7	8	9	10
	Working section	11	12	13	14	15	16	17	18	19	20
Lane change	Non-working section	21	22	23	24	25	26	27	28	29	30
	Working section	31	32	33	34	35	36	37	38	39	40