A Heuristic Approach Based on Clarke-Wright Algorithm for Open Vehicle Routing Problem

Table 1

The parameters used in the proposed CW.

Parameter	Values
The Clarke-Wright formula modification procedure
Route shape (𝜆)	0.1–2.0 (increment of 0.1)
The two-phase selection procedure
Number of tournament sizes	3–20 (random number)
Number of global iterations for two-phase selection	5,000
The route postimprovement procedure
Number of consecutive iterations without any improvements in the best found solution	500
Probability to select each move operator	0.125