The pandemic has highlighted how supply chains are coming under pressure to solve last mile delivery problems as more and more consumers demand door-to-door delivery ( ). for free Solving the last mile problem is notoriously hard. In fact, The last mile can consume up to 30% of the entire supply chain cost. That's huge. Delivery and logistics companies have to find ways to become more efficient. And they are. Drones are being used, self driving vehicles are right around the corner ( ), and companies are investing heavily in route optimization. literally; looking left and right before crossing the street is arguably more important than ever Here's a quick example of just how much money is being left out there on the tarmac. Last Mile Delivery Costs Consider a small to mid-sized U.S. based logistics and delivery company with 50 vehicles in their fleet. Let's be conservative and assume the driver is paid $20 per hour and it costs 12 cents per mile in fuel costs. We can ignore wear and tear ( ) to make things simple. you can't in the real world First we calculate the average per-hour fuel costs. Since our hypothetical delivery company is working in an urban environment, they only move about 10 miles per hour. This yields a fuel cost of $1.20 per hour. Add that to the $20 per hour for labor and you have a total hourly cost to company, per vehicle per hour, of $21.20. Now, assume the vehicles are operating 8 hours per day, Monday to Friday, four weeks per month. That gives us the following: 50 vehicles x $21.20 per hour x 8 hours per day x 20 days per month = $169 600 per month To put it another way, our company is spending ( ) a touch over $2 million per year on transport costs. Without taking into account wear and tear, insurance, and, and, and... at the very least Streamlining costs by as little as 5% would lead to savings of around $100 000 per year. So why isn't every company implementing their own route optimization systems? Route Optimization is Hard The truth of the matter is that building software that can optimize routes, taking into account a host of real-world costs, constraints and conditions is extremely difficult. Here's why... Pretend our small to mid-sized delivery company has 250 deliveries to make on Monday morning, split up between their 50 vehicles. We want to find the optimal way to route each vehicle so that every delivery is made within the given time-frame ( ). i.e. the company's operating hours To do this we try to check each and every possibility. After all, we have access to some pretty fast computers these days. We can pick a vehicle to visit a location. Then, repeat the process for the next location, and so on until all 250 deliveries have been made. To work out the total number of permutations we need to check, we can use the following formula: 50 x 250 + 50 x 249 + ... + 50 x 2 + 50 x 1 = 50²⁵⁰ x 250! = 5.5⁴²⁴ x 3.2 x 10⁴⁹² = 1.78 x 10⁹¹⁷ That's a big number. To put it into perspective, A simple route optimization problem with a single vehicle and 50 stops has more permutations than 10⁵⁷). 30 million times atoms of Hydrogen in the Sun ( In fact, there are only about 10⁸⁰ atoms in the entire known universe. That's such a small fraction of the number of possible permutations in our seemingly everyday problem that it is essentially 0 by comparison. To try and check each possibility would take more time than there is left in this Universe and many trillions more ( ) thereafter, using all the processors we have ever built. Universe lifespans Clearly that's not on the cards for a Monday morning. No matter how serious our delivery company is about saving money. So straightforward route optimization software is not really something delivery and logistics companies want to tackle in their spare time. Although . companies like UPS are spending millions trying The good news is that APIs ( ) are becoming widely available to do this for surprisingly little cost. Application Programming Interface Integrating a Route Optimization API From as little as $10 per vehicle per month it is possible for our delivery company to plug into a vehicle routing API and turn their unordered list of deliveries into a series of optimal routes for their entire fleet in a way that honors their specific business requirements and objectives. At $10 per vehicle per month, the cost to company for 50 vehicles is $500 per month (or $6000 per year), offset by potential savings of $100 000. With only the minimum of API development skills required, it is possible to drastically lower delivery costs overnight. Bear in mind that some companies have reported savings of around 30% after integrating route optimization software. Here's a sample JSON API request for a simple schedule with a single vehicle and five locations - courtesy of : Optergon's route optimization API { :{ : , : , : , : , : , :[
      { : , : , :[
          { : , : , : , : , : , : , : , : , :{ : , : }, : , : , : }
        ]
      }
    ], :[
      { : , : , : , : , : , : , : , : , : , : , :[
          { : , : }
        ], :{ :xx.xxxxx, :-x.xxxxx
        }, : },{ : , : , : , : , : , : , : , : , : , : , :[
          { : , : }
        ], :{ :xx.xxxxx, :-x.xxxxx
        }, : },{ : , : , : , : , : , : , : , : , : , : , :[
          { : , : }
        ], :{ :xx.xxxxx, :-x.xxxxx
        }, : },{ : , : , : , : , : , : , : , : , : , : , :[
          { : , : }
        ], :{ :xx.xxxxx, :-x.xxxxx
        }, : },{ : , : , : , : , : , : , : , : , : , : , :[
          { : , : }
        ], :{ :xx.xxxxx, :-x.xxxxx
        }, : }
    ]
  }, :{ : , : }
} "job" "Reference" "XXXXXX" "JobOptimizationType" "Cost" "JobMode" "MinimizeVehicles" "MultiTrip" true "CreatedDate" "\/Date(1610015158000+0000)\/" "Vehicles" "Reference" "ODC-P1" "Name" "Our Delivery Company Pickup I" "TimeWindows" "Identifier" "35a77f76-5f1f-4a4a-82bd-xxxxxxxxxxx" "Range" 450000 "FixedCost" 0 "TimeCost" 10 "DistanceCost" 1 "StartLocationReference" "Depot" "EndLocationReference" "Depot" "TimeDilation" 0 "WorkingTime" "StartTime" "\/Date(1606294800000+0000)\/" "EndTime" "\/Date(1606323600000+0000)\/" "Attributes" null "Capacities" null "VehicleBreaks" null "Locations" "Reference" "Depot" "Name" "Our Depot, Our City" "ServiceDuration" 0 "IsDepot" true "IsRefuel" false "IsRequired" true "TurnAroundTime" 1800 "TurnAroundCost" 0 "Constraints" null "PickupDropOffs" null "TimeWindows" "StartTime" "\/Date(1606294800000+0000)\/" "EndTime" "\/Date(1609002000000+0000)\/" "Position" "Latitude" "Longitude" "ScheduleDateTimeCheckString" "" "Reference" "Delivery I" "Name" "32 Delivery Rd" "ServiceDuration" 500 "IsDepot" false "IsRefuel" false "IsRequired" true "TurnAroundTime" 0 "TurnAroundCost" 0 "Constraints" null "PickupDropOffs" null "TimeWindows" "StartTime" "\/Date(1606294800000+0000)\/" "EndTime" "\/Date(1609002000000+0000)\/" "Position" "Latitude" "Longitude" "ScheduleDateTimeCheckString" "" "Reference" "Delivery II" "Name" "2 Drop-Off Ave" "ServiceDuration" 500 "IsDepot" false "IsRefuel" false "IsRequired" true "TurnAroundTime" 0 "TurnAroundCost" 0 "Constraints" null "PickupDropOffs" null "TimeWindows" "StartTime" "\/Date(1606294800000+0000)\/" "EndTime" "\/Date(1609002000000+0000)\/" "Position" "Latitude" "Longitude" "ScheduleDateTimeCheckString" "" "Reference" "Delivery III" "Name" "51 Package Place" "ServiceDuration" 500 "IsDepot" false "IsRefuel" false "IsRequired" true "TurnAroundTime" 0 "TurnAroundCost" 0 "Constraints" null "PickupDropOffs" null "TimeWindows" "StartTime" "\/Date(1606294800000+0000)\/" "EndTime" "\/Date(1609002000000+0000)\/" "Position" "Latitude" "Longitude" "ScheduleDateTimeCheckString" "" "Reference" "Delivery IV" "Name" "123 Parcel St" "ServiceDuration" 500 "IsDepot" false "IsRefuel" false "IsRequired" true "TurnAroundTime" 0 "TurnAroundCost" 0 "Constraints" null "PickupDropOffs" null "TimeWindows" "StartTime" "\/Date(1606294800000+0000)\/" "EndTime" "\/Date(1609002000000+0000)\/" "Position" "Latitude" "Longitude" "ScheduleDateTimeCheckString" "" "token" "UserGuid" "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXX" "Signature" "XXXXXXXXXXXXXXXXXXXXXXXXXX=" JSON skills aside, all this API request does is: Specify a few configuration parameters Provide a list of vehicles ( ) along with their associated costs, attributes, capacities and operating times Provide a list of locations ( ) along with their co-ordinates, delivery time constraints, pickup/dropoffs, and other requirements Provide security credentials The API JSON response is very similar ( ): and effectively hides the complexity associated with tackling massive vehicle routing problems { : , : , :{ : , : , : , : , : , : , : , : , : , :XXXXXX, : , : , : , : , : , :[
      { : , : , : , : , : , : , : , : , :[
          { : , : , : , : , : , : , : , : , : , : , : , : , : , : , :{ :xx.xxxxx, :-x.xxxxx
            }, : , : , : , : },{ : , : , : , : , : , : , : , : , : , : , : , : , : , : , :{ :xx.xxxxx, :-x.xxxxx
            }, : , : , : , : },{ : , : , : , : , : , : , : , : , : , : , : , : , : , : , :{ :xx.xxxxxx, :-x.xxxxx
            }, : , : , : , : },{ : , : , : , : , : , : , : , : , : , : , : , : , : , : , :{ :xx.xxxxx, :-x.xxxxx
            }, : , : , : , : },{ : , : , : , : , : , : , : , : , : , : , : , : , : , : , :{ :xx.xxxxxx, :-x.xxxxx
            }, : , : , : , : },{ : , : , : , : , : , : , : , : , : , : , : , : , : , : , :{ :xx.xxxxx, :-x.xxxxx
            }, : , : , : , : }
        ], :{ : , : , : }, : , : }
    ]
  }, : } "ErrorCode" "0" "Message" "ok" "Result" "Comment" "" "Confidence" 0 "Cost" 34.18 "CreatedDate" "\/Date(1610015166203+0000)\/" "Distance" 20640 "Error" "" "Execution" 0 "JobReference" "XXXXXX" "ResultCode" 1 "SolutionId" "Time" 4875 "Units" 1 "UnreachedLocations" null "UnusedDepots" null "UnusedVehicles" null "Vehicles" "Comment" "" "Cost" 34.18 "Distance" 20640 "DrivingTime" 4875 "DurationTime" 2000 "Error" "" "Name" "Our Delivery Company Pickup I" "SolutionUnitStatusId" 1 "Stops" "ArrivalTime" "\/Date(1606294800000+0000)\/" "Comment" "" "DepartureTime" "\/Date(1606294800000+0000)\/" "DrivingDistance" 0 "DrivingDistanceSum" 0 "DrivingTime" 0 "DrivingTimeSum" 0 "Duration" 0 "DurationSum" 0 "Error" "" "Index" 0 "IsDepot" true "LocationReference" "Depot" "Name" "Our Depot, Our City" "Position" "Latitude" "Longitude" "ScheduledEnd" "\/Date(1606294800000+0000)\/" "ScheduledStart" "\/Date(1606294800000+0000)\/" "WaitTime" 0 "WaitTimeSum" 0 "ArrivalTime" "\/Date(1606294970000+0000)\/" "Comment" "" "DepartureTime" "\/Date(1606295470000+0000)\/" "DrivingDistance" 757 "DrivingDistanceSum" 757 "DrivingTime" 170 "DrivingTimeSum" 170 "Duration" 500 "DurationSum" 500 "Error" "" "Index" 1 "IsDepot" false "LocationReference" "Delivery III" "Name" "51 Package Place" "Position" "Latitude" "Longitude" "ScheduledEnd" "\/Date(1606295470000+0000)\/" "ScheduledStart" "\/Date(1606294970000+0000)\/" "WaitTime" 0 "WaitTimeSum" 0 "ArrivalTime" "\/Date(1606295566000+0000)\/" "Comment" "" "DepartureTime" "\/Date(1606296066000+0000)\/" "DrivingDistance" 337 "DrivingDistanceSum" 1094 "DrivingTime" 96 "DrivingTimeSum" 266 "Duration" 500 "DurationSum" 1000 "Error" "" "Index" 2 "IsDepot" false "LocationReference" "Delivery IV" "Name" "123 Parcel St" "Position" "Latitude" "Longitude" "ScheduledEnd" "\/Date(1606296066000+0000)\/" "ScheduledStart" "\/Date(1606295566000+0000)\/" "WaitTime" 0 "WaitTimeSum" 0 "ArrivalTime" "\/Date(1606296776000+0000)\/" "Comment" "" "DepartureTime" "\/Date(1606297276000+0000)\/" "DrivingDistance" 5460 "DrivingDistanceSum" 6554 "DrivingTime" 710 "DrivingTimeSum" 976 "Duration" 500 "DurationSum" 1500 "Error" "" "Index" 3 "IsDepot" false "LocationReference" "Delivery I" "Name" "32 Delivery Rd" "Position" "Latitude" "Longitude" "ScheduledEnd" "\/Date(1606297276000+0000)\/" "ScheduledStart" "\/Date(1606296776000+0000)\/" "WaitTime" 0 "WaitTimeSum" 0 "ArrivalTime" "\/Date(1606298471000+0000)\/" "Comment" "" "DepartureTime" "\/Date(1606298971000+0000)\/" "DrivingDistance" 9396 "DrivingDistanceSum" 15950 "DrivingTime" 1195 "DrivingTimeSum" 2171 "Duration" 500 "DurationSum" 2000 "Error" "" "Index" 4 "IsDepot" false "LocationReference" "Delivery II" "Name" "2 Drop-Off Ave" "Position" "Latitude" "Longitude" "ScheduledEnd" "\/Date(1606298971000+0000)\/" "ScheduledStart" "\/Date(1606298471000+0000)\/" "WaitTime" 0 "WaitTimeSum" 0 "ArrivalTime" "\/Date(1606299675000+0000)\/" "Comment" "" "DepartureTime" "\/Date(1606299675000+0000)\/" "DrivingDistance" 4690 "DrivingDistanceSum" 20640 "DrivingTime" 704 "DrivingTimeSum" 2875 "Duration" 0 "DurationSum" 2000 "Error" "" "Index" 5 "IsDepot" true "LocationReference" "Depot" "Name" "Our Depot, Our City" "Position" "Latitude" "Longitude" "ScheduledEnd" "\/Date(1606299675000+0000)\/" "ScheduledStart" "\/Date(1606299675000+0000)\/" "WaitTime" 0 "WaitTimeSum" 0 "TimeWindow" "EndTime" "\/Date(1606323600000+0000)\/" "Identifier" "56cf7e2f-2dc1-418e-9c6a-180d849a75fa" "StartTime" "\/Date(1606294800000+0000)\/" "VehicleReference" "ODC-P1" "WaitTime" 0 "Status" "ok" This solution has taken an unordered list of locations and converted them into an array of vehicles, each with an optimized delivery route that obeys the constraints of the business rules specified in the request. Specifically, it: Provides information about the overall solution ) (i.e. was it possible within the given parameters, how much it cost, etc Lists each utilized vehicle along with an indexed list of locations and associated cost drivers ( ) i.e. time/labor & distance/fuel In other words, each vehicle is routed in order to lower the overall cost-to-company. At the same time, no vehicle carries more than its stated capacity, works overtime ( ), or carries something it cannot ( ). unless it is impossible to avoid i.e. only cold chain vehicles will carry frozen goods, if so specified Essentially, the API converts a problem like this ( ): shown with 50 locations and 3 vehicles 3 vehicle, 50 location route optimization problem courtesy of Optergon . Into a solution ( ), like this: that obeys all specified, real-world business constraints Optimal vehicle routing solution for 3 vehicles courtesy of Optergon . Cost/Benefit of Route Optimization Integration Any business that incurs some form of transport cost essentially has three choices in front of it: Continue leaving money on the tarmac Spend millions developing bespoke vehicle routing & route optimization software ( ) like UPS Integrate a vehicle routing & route optimization API Until recently, option 1 sufficed because the consumer essentially covered the cost of transport. Delivery costs were simply accepted as an additional expense, or built into the cost of goods directly. The pandemic has accelerated the demand for low cost, last-mile deliveries. This leaves options 2 and 3 open to logistics companies that need to remain competitive. Building a custom route optimization system requires a rare combination of math and programming skills. Designers and developers implement meta-heuristic algorithms that are tricky to build and debug. If non-deterministic code is tricky to build, it's even trickier to debug. To boot, it also requires a massively multi-threaded environment that, in turn, requires expensive, highly specialized hardware. A big ask for small to mid-sized logistics companies. This leaves option 3 ( ) as the only real option available. Fortunately, i.e. integration with a route optimization API It only requires savings in the order of a fraction of a percent to make route optimization API integration instantly financially viable. From a financial perspective, integrating with a 3rd party API essentially has an immediate positive return. Literally, the minute your company starts following optimal delivery routes, the time and distance spent on the road drops. While there are obvious reductions in labor, fuel, wear and tear, insurance, and a host of other costs plummet, there are a host of hidden benefits for the entire supply chain. Knowing optimal delivery routes ahead of time means: You can operate a smaller, more efficient fleet, saving on unnecessary expansion. You are able to better predict whether or not you have the resources to cater for spikes in demand ( ). and plan accordingly You are able to understand and predict costs ahead of time. You are able to quote for new business more effectively. You can assess whether or not it is possible to complete all required deliveries with the available resources. Vehicle packing manifests and warehouse organization at the depot can be improved, further streamlining operations. Improved customer service ( i.e. instead of 'Your package will arrive on Tuesday', you can say ,'Your package will arrive on Monday at 3:30pm'). With manifold upstream and downstream benefits for any logistics company, plus an immediate positive return on investment, almost everyone in the supply chain should be looking at route optimization integration for the last mile. I personally savor the idea that millions of tons of Carbon and other pollutants will no longer be pumped into our atmosphere by less than efficiently routed delivery vehicles. I'll go so far as saying that even will thank you for using a route optimization API. Mother Nature Previously published at https://optergon.com/blog/costbenefits-route-optimization-api-integration

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