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Network Analyst for grouping locations into optimal drive time groups - which one to use?

Question asked by mbinderNMFRD on Aug 14, 2020
Latest reply on Aug 31, 2020 by brittanyburson21

I'm having trouble figuring how to solve this problem. I did a Origin Destination Cost Matrix, but it didn't product the outcome I was looking for. 


Basically, the goal is to divide 50 points into four groups by choosing the optimal drive time for those 50 locations. Here's a little more detail

  • 50 location points across the eastern half of the U.S. (see screenshot) From Lubbock, TX to Boston, MA to Miami, FL to Ames, IA and 46 points in between
  • This isn't a warehouse to retail location problem where I'm trying to find the optimal location. All of the point combinations in the groups will be driven. For example when the groups are determined, Point 1 will go to Points 2-13, Point 2 will go to Point 1 and 3-13, etc.   
  • Group these 50 points into four groups (two groups of 13, two groups 12) based on the least amount of drive time between each other. Doesn't matter which of the 50 points are grouped together, the only goal is to minimize the overall drive time while creating these four groups 


Using the OD Cost matrix, I'm able to find the 12 or 13 shortest routes from each point, but that's not quite what I'm looking for. 


Any suggestions, ideas, resources on how to solve this problem or go about it?