Customer-Oriented Vehicle Routing Problem with Environment Consideration: Two-Phase Optimization Approach and Heuristic Solution

Table 9

The clustering results of vehicle restrictions for 3 tons.

Cluster condition	Group No.	Customer No.	Cargo volume (tons)
=3t	Group 1	6,21,2,4,17,14,8,22,5,11	2.4
	Group 2	7,24,15,1,19,18	2.0
	Group 3	9,12,10,3,13,23,16,20	1.9