Your engine models a stop as one average. On the street a stop is a sequence, and the long part is after the van has parked.
Delivery ops teams
Give last mile delivery optimization the last fifty meters
A routing engine solves the path between pins. The clock runs after the van stops: locating the usable entry, parking legally, the walk, the buzzer, the elevator. Sena records those conditions at each delivery point, so the estimate and the driver brief both match the door.
The problem
What Sena decides
Which delivery points cost more time than your model holds, what governs access at each one, how far the usable entry sits from the pin, and which of your failures happened at the entrance.
Industries
Parcel and LogisticsFood DeliveryE-Commerce with own deliveryMedical and Pharmaceutical Delivery
Who it is for
Last-mile operations, data science, customer experience, and network planning teams at carriers, delivery platforms, retailers running their own fleets, and specialty couriers.
Powered by
Sena, the Decision AI from Rwazi.
Decision AI with access to real-world dataThe problem
The last mile delivery optimization logistics teams are handed usually arrives as a better route, and the route is already good.
The engine solves between the pins
Last mile delivery route optimization sequences the stops, respects the windows, balances the loads and reroutes around traffic. It does that well. Every input it holds describes the space between two addresses.
The clock runs after the van stops
Inside the model a stop is one number, service time, and it is usually an average. On the street that number is a sequence: find the usable entry, find a legal place to stop, walk, get through the door, go up, hand over, walk back. A tower whose only working entrance is on the far side of the block, with a keypad and a slow elevator, is a different stop from a house with a driveway. Both carry the same average.
So the reason code records the symptom
Every carrier already has a failure reason code, and a driver picks it at the door in a few seconds, in the rain, with the van running. “Recipient absent” covers a recipient who was out and a driver who got as far as a locked lobby. The field is filled in accurately and it holds what the driver could see from where they stood.
The question is narrow. What does each door require, and how long does it take once the van has already parked.
How it works
How Sena feeds last mile delivery optimization the conditions at each door
01
Name the points that cost you most
Your repeat-failure addresses, your highest-volume stops, a postcode, or a whole delivery area. Sena reads the points you name, at the density you commission.
02
Approach each one the way a van does
Sena Computer Vision arrives at the address, records where a vehicle can legally stop, the distance from the pin to the entry a driver can use, the entry rule, the buzzer or the keypad, the elevator or the stairs, and the hours each of those holds.
03
Record the parts of the stop separately
The drive-up, the walk, the access step and the vertical step are recorded as separate facts. A single service-time average hides which one runs long, and the fix for a long walk differs from the fix for a slow elevator.
04
Join it to your own scan data
You hold the reason codes, the timestamps and the volumes. Sena returns the conditions as facts, and your team joins them to your records, since the codes and the times belong to your network.
05
Read again when a point changes
Construction, a new gate, a changed concierge hour, a loading bay taken out of service. Re-read on a cadence for the points that carry the volume.
Industries served
Industries and Rwazi capabilities involved
| Industry | Why it applies |
|---|---|
| Parcel and Logistics | Core. Cost per stop and first-attempt success are the two numbers the operation is judged on, and both are decided after the van parks. |
| Food Delivery | The window is minutes, so a five-minute access delay changes the product that arrives. Access conditions matter more here than anywhere. |
| E-Commerce with own delivery | A retailer running its own fleet carries the same access gap and usually has less route history to smooth it. |
| Medical and Pharmaceutical Delivery | Temperature and timing are part of the product. A delay at the entrance is a compliance question and a cost question at once. |
Check out Rwazi and Sena capabilities
| Capability | What it does here |
|---|---|
| Sena Computer Vision | Core. Approaches each delivery point, records the entry, the stopping place, the access rule, the vertical step and the hours, with a photograph and coordinates attached. |
| Sena (Decision AI) | Core. Holds the point record, tracks each point across reads, and returns the parts of the stop separately so a model can use them. |
Property only on this page. Every input is a fact about a delivery point.
The gap
What the reason code holds, and what sits under it
Seven codes carriers commonly record. Beside each is what it conflates, and what a read at the door adds. The code is accurate about what the driver could see. The cause is one step behind it.
| The code recorded | What sits under it | What a door read adds |
|---|---|---|
| Recipient absent | A recipient who was out, a driver held at a locked lobby, or a buzzer that reaches an empty desk. | Whether a usable entry exists, and the rule that opens it. |
| Access refused | A changed gate code, concierge hours that ended, a loading bay already full, a barrier with a height limit. | The access rule and the hours it holds, recorded from the entrance. |
| Address unlocatable | A pin on the wrong side of the block, at a leasing office, or at a plot with several entrances. | The entry a driver can use, recorded as its own coordinate. |
| Refused at the door | A genuine refusal, or a parcel offered at the wrong unit inside the right building. | The unit layout and how the building numbers its doors. |
| Safe place unavailable | A safe place that exists and sits out of sight from the approach the driver took. | Where the safe place is, photographed from the approach. |
| Vehicle restricted | Width, height, a loading window, or the absence of any legal stopping place within range. | The vehicle class that fits, and the hours it fits in. |
| Outside the window | A stop that ran long because the walk is 90 meters and the elevator serves 14 floors. | The parts of the stop, timed separately. |
Every row is the same shape. The code describes the outcome at the door, and the condition that produced it sits at the door too, where it can be recorded once and reused on every delivery to that address.
Ask Sena
SENA
Recent
Repeat failures · Zone 4
Towers · access rules
Re-read · top 500 points
Data connected 3/4
✓Delivery points
✓Access record
✓Scan data
Service-time model
Which delivery points in this market take longer than the time our model holds for them?
Sena
312 points in this market run longer than the model holds for them. Most are residential towers where the usable entry sits away from the pin.
Residential towers
+6.4 min
Gated complexes
+4.1 min
Office lobbies
+2.6 min
Houses
+0.3 min
Traced to recorded stops + your service-time model4 wk
Break the walk out by building type
List points with a loading bay
Failed stops.csv
Zone
Illustrative interface. Numbers are an example, not a Rwazi result.
Who uses it
Roles and functions
Last-mile operations
Works the addresses that cost the most time, with the condition behind each one named on the record.
Supply chain solutions →Technology and data science
Takes the parts of the stop as model inputs, so time at location varies by what the address requires.
Customer experience
Reaches ahead of a complex-access delivery with something specific to say, since the condition is on the record before the van leaves.
Network planning
Places lockers and pickup points where the door itself is expensive, using the access record and the failure history together.
Driver enablement
Builds the brief for a new address from the recorded entry, the access rule and the hours, so a first-time driver arrives informed.
Why teams trust Sena
Why teams choose Sena for this
| What you need | What Sena does |
|---|---|
| The stop, in parts | Records the drive-up, the walk, the access step and the vertical step separately, because last mile delivery optimization techniques that target an average move the average and leave the long stop long. |
| The entry, apart from the pin | Records the entrance a driver can use as its own coordinate, alongside the address the order was placed against. |
| Evidence attached | Every point carries coordinates, a date and a photograph, so a planner can settle a question from a desk. |
| A cadence on the points that matter | Re-reads the high-volume and high-failure points on your schedule, since a gate code and a concierge hour both change. |
20-min live walkthrough
Talk to Sena about the addresses your network keeps failing at
Tell us the decision you are weighing, and we will bring the market read to the conversation.
Watch a live demo of Sena Decision AI
See this use case run on a market like yours
Get the questions from your own team answered
Start from your own question
Bring the decision in front of you and we will run the first read against it on the call.
Talk to the Rwazi team
FAQs
01 What is last mile delivery optimization?
Reducing the cost and the failure rate of the final leg, from the local facility to the recipient. Most of the work targets the route: sequencing stops, respecting windows, balancing loads, rerouting around traffic. The part that receives less attention is the stop itself, where the time is spent locating the usable entry, parking legally, walking, getting through the door and going up.
02 How does last mile delivery route optimization handle time at the stop?
Usually as a single service-time value, often an average by stop type. That is a reasonable assumption and it is where the variance lives, because a tower with a keypad and a slow elevator and a house with a driveway carry the same average. Recording the parts of the stop separately gives the engine a per-address value built from what the address requires.
03 Why do first delivery attempts fail?
Some fail because the recipient was out. Others fail at the entrance: a gate code that changed, a concierge whose hours ended, a buzzer that reaches an empty desk, a loading bay already occupied, a pin that sits at the wrong entrance. The reason code recorded by the driver describes what they could see from where they stood, so the two groups arrive in the data looking alike.
04 What are the main last mile delivery optimization techniques?
Route sequencing and dynamic rerouting, time-window management, load and vehicle assignment, delivery density improvement, alternative drop points such as lockers and pickup networks, and recipient communication ahead of arrival. Each of them assumes a time at the stop. Measuring what the stop requires makes every one of those techniques more accurate at once.
05 Which last mile delivery optimization strategies work on the access problem?
Three. Record the entry a driver can use as its own coordinate, apart from the pin the order carries. Hold the access rule and the hours it holds against the address, so a first-time driver arrives knowing them. And separate the parts of the stop, since a 90-meter walk and a slow elevator call for different answers and appear identically in a single average.
06 Which 3PLs are best for last mile delivery optimization?
That depends on your density, your product and your service promise, and the answer changes by market. Rwazi is a source of delivery-point conditions, where a carrier moves the parcel, so this page stays clear of ranking providers. What holds across all of them is that a 3PL inherits the same doors your own fleet would, and the access conditions at those doors sit outside every carrier’s system until somebody records them.
07 How does IoT support last-mile delivery optimization?
Connected devices measure the vehicle and the parcel: location, speed, temperature, door openings, dwell time. Dwell time at a stop is genuinely useful, and it tells you a stop took eleven minutes, where the cause sits at the door. Pairing dwell time with a record of the entry, the access rule and the vertical step turns the same reading into a cause a planner can act on.
08 Does this cover last-mile delivery optimization for cross-border shoppers?
The domestic leg, yes. A parcel crossing a border adds customs clearance and duty handling, which are documentary steps and sit outside a read at the door. Once the parcel is in the destination country it meets the same entrance as everything else, so plans to optimize last-mile delivery cross-border e-commerce still turn on the access conditions at the final address.
09 What does optimization of last mile pick-up and delivery operations involve?
Pick-up carries the same access question in reverse, and often a harder one. A collection depends on a person being reachable at an entrance during a stated window, and on the driver having somewhere legal to wait. Recording the entry, the stopping place and the hours serves both directions, which is why a delivery-point record is worth more to a network running collections as well.
10 How does this sit beside our routing engine?
Underneath it, as an input. Top last mile delivery platforms already do route optimization well, and the logistics data they hold describes the network and the traffic. What Sena supplies is a per-address record of the door: the usable entry, the access rule, the hours, the walk and the vertical step, with a photograph attached. That flows into the engine and the driver app you already run, and the estimate improves because the input describes the address itself, where a category describes a group.