Routing Optimisation of Urban Medical Waste Recycling Network considering Differentiated Collection Strategy and Time Windows

Table 2

Scale of instance groups in experiments.

Group ID	No. of other medical facilities	No. of grade 1 hospitals	No. of grade 2 hospitals	No. of tasks	No. of clinics	No. of vehicles
ISG1	2	3	2	9	8	3
ISG2	4	3	2	11	12	4
ISG3	4	5	3	15	12	4
ISG4	6	8	5	24	22	5
ISG5	12	12	7	38	24	6
ISG6	18	14	9	50	26	6
ISG7	20	20	15	70	30	8
ISG8	24	22	17	80	35	8
ISG9	26	24	20	90	40	8