Transportation Service Procurement Bid Construction Problem from Less Than Truckload Perspective

Table 1

Distance between two regions (unit: Km).

Region	Region
	1	2	3	4	5	6	7	8	9	10	11	12
1	–	19	21	43	21	37	28	15	42	41	10	50
2	15	–	28	29	36	39	37	35	45	37	45	14
3	32	37	–	20	23	17	17	35	35	31	49	41
4	15	22	23	–	44	42	37	48	12	37	36	41
5	41	32	10	30	–	38	42	19	47	28	39	11
6	37	48	19	48	41	–	25	49	49	11	45	23
7	13	26	41	27	48	16	–	12	46	20	23	40
8	12	20	23	45	44	18	10	–	48	49	22	26
9	50	39	43	30	42	41	46	41	–	14	22	20
10	14	36	28	15	21	31	35	48	32	–	42	23
11	35	34	48	50	22	23	17	29	17	29	–	38
12	43	43	34	22	21	39	21	19	20	29	32	–