Determining optimum shared school bus route to a single destination from multiple origin points












2















Using ArcGIS and the network analyst toolkit, I want to determine the path of an optimized walking school bus route to school. a walking school bus is essentially a system by which adult volunteers chaperone elementary school children along a pre-set pedestrian path, to help keep them safe from traffic hazards and busy intersections. the idea would be that students would, starting from home, travel to their nearest walking bus "stop", then take the walking bus all the way to school.



I have a very detailed pedestrian network for my study area. scaled cost barriers include intersection controls, areas with high crime. the walking bus would bypass most of these barriers



Is there a workflow that could help determine the optimum location for the walking bus route itself? Right now my process is as follows:



Using closest facility analysis I determine the shortest path to the school for each house, then look at the density of routes along each segment of the network using a spatial join and the join count to find common "corridors". I would then digitize a route visually along this.



This is obviously fairly imprecise, and relies heavily on human judgement. Is there a better way to go about this?






arcgis-desktop network-analyst network







share|improve this question





























    2















    Using ArcGIS and the network analyst toolkit, I want to determine the path of an optimized walking school bus route to school. a walking school bus is essentially a system by which adult volunteers chaperone elementary school children along a pre-set pedestrian path, to help keep them safe from traffic hazards and busy intersections. the idea would be that students would, starting from home, travel to their nearest walking bus "stop", then take the walking bus all the way to school.



    I have a very detailed pedestrian network for my study area. scaled cost barriers include intersection controls, areas with high crime. the walking bus would bypass most of these barriers



    Is there a workflow that could help determine the optimum location for the walking bus route itself? Right now my process is as follows:



    Using closest facility analysis I determine the shortest path to the school for each house, then look at the density of routes along each segment of the network using a spatial join and the join count to find common "corridors". I would then digitize a route visually along this.



    This is obviously fairly imprecise, and relies heavily on human judgement. Is there a better way to go about this?






    arcgis-desktop network-analyst network







    share|improve this question



























      2












      2








      2








      Using ArcGIS and the network analyst toolkit, I want to determine the path of an optimized walking school bus route to school. a walking school bus is essentially a system by which adult volunteers chaperone elementary school children along a pre-set pedestrian path, to help keep them safe from traffic hazards and busy intersections. the idea would be that students would, starting from home, travel to their nearest walking bus "stop", then take the walking bus all the way to school.



      I have a very detailed pedestrian network for my study area. scaled cost barriers include intersection controls, areas with high crime. the walking bus would bypass most of these barriers



      Is there a workflow that could help determine the optimum location for the walking bus route itself? Right now my process is as follows:



      Using closest facility analysis I determine the shortest path to the school for each house, then look at the density of routes along each segment of the network using a spatial join and the join count to find common "corridors". I would then digitize a route visually along this.



      This is obviously fairly imprecise, and relies heavily on human judgement. Is there a better way to go about this?






      arcgis-desktop network-analyst network







      share|improve this question
















      Using ArcGIS and the network analyst toolkit, I want to determine the path of an optimized walking school bus route to school. a walking school bus is essentially a system by which adult volunteers chaperone elementary school children along a pre-set pedestrian path, to help keep them safe from traffic hazards and busy intersections. the idea would be that students would, starting from home, travel to their nearest walking bus "stop", then take the walking bus all the way to school.



      I have a very detailed pedestrian network for my study area. scaled cost barriers include intersection controls, areas with high crime. the walking bus would bypass most of these barriers



      Is there a workflow that could help determine the optimum location for the walking bus route itself? Right now my process is as follows:



      Using closest facility analysis I determine the shortest path to the school for each house, then look at the density of routes along each segment of the network using a spatial join and the join count to find common "corridors". I would then digitize a route visually along this.



      This is obviously fairly imprecise, and relies heavily on human judgement. Is there a better way to go about this?






      arcgis-desktop network-analyst network




      arcgis-desktop network-analyst network






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 4 hours ago









      Vince

      14.7k32749




      14.7k32749










      asked 6 hours ago









      AlexAlex

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          This looks like a Steiner tree problem. You'll need some programming to solve it.
          Picture below shows manually improved output of algorithm from networkX:



          enter image description here



          and I think computing "flow" in this network will bring you even closer to near optimal solution:



          enter image description here



          In this case SE student looks like a best candidate to start route.



          What you are doing will give you blurry pattern like that:



          enter image description here






          share|improve this answer


























          • thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

            – Alex
            14 mins ago











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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2














          This looks like a Steiner tree problem. You'll need some programming to solve it.
          Picture below shows manually improved output of algorithm from networkX:



          enter image description here



          and I think computing "flow" in this network will bring you even closer to near optimal solution:



          enter image description here



          In this case SE student looks like a best candidate to start route.



          What you are doing will give you blurry pattern like that:



          enter image description here






          share|improve this answer


























          • thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

            – Alex
            14 mins ago
















          2














          This looks like a Steiner tree problem. You'll need some programming to solve it.
          Picture below shows manually improved output of algorithm from networkX:



          enter image description here



          and I think computing "flow" in this network will bring you even closer to near optimal solution:



          enter image description here



          In this case SE student looks like a best candidate to start route.



          What you are doing will give you blurry pattern like that:



          enter image description here






          share|improve this answer


























          • thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

            – Alex
            14 mins ago














          2












          2








          2







          This looks like a Steiner tree problem. You'll need some programming to solve it.
          Picture below shows manually improved output of algorithm from networkX:



          enter image description here



          and I think computing "flow" in this network will bring you even closer to near optimal solution:



          enter image description here



          In this case SE student looks like a best candidate to start route.



          What you are doing will give you blurry pattern like that:



          enter image description here






          share|improve this answer















          This looks like a Steiner tree problem. You'll need some programming to solve it.
          Picture below shows manually improved output of algorithm from networkX:



          enter image description here



          and I think computing "flow" in this network will bring you even closer to near optimal solution:



          enter image description here



          In this case SE student looks like a best candidate to start route.



          What you are doing will give you blurry pattern like that:



          enter image description here







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 4 hours ago

























          answered 4 hours ago









          FelixIPFelixIP

          16.4k11642




          16.4k11642













          • thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

            – Alex
            14 mins ago



















          • thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

            – Alex
            14 mins ago

















          thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

          – Alex
          14 mins ago





          thanks so much! I am however having a bit of trouble finding the paper that forms the source of the approximation they used - i am writing a paper myself and need to cite it. also, if you had any code you could share to speed me along i would be very grateful!. I do know python.

          – Alex
          14 mins ago


















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