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<title>Coder Legion - Recent posts tagged transportation-technology</title>
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<title>Building Trucker Suite: When “One More App” Isn’t the Answer</title>
<link>https://coderlegion.com/28978/building-trucker-suite-when-one-more-app-isnt-the-answer</link>
<description>&lt;p&gt;For nearly eight years, I’ve worked as an over-the-road truck driver.&lt;/p&gt;
&lt;p&gt;That means a normal workday can involve far more than simply driving from Point A to Point B. A commercial driver is constantly balancing Hours of Service, appointment times, detention, fuel, routing, parking, mileage, weather, traffic, pay, and the question that sits underneath all of it:&lt;br&gt;
Can I actually complete this trip legally, safely, on time, and without destroying what the load is worth?&lt;/p&gt;
&lt;p&gt;There are already applications that solve pieces of that problem.&lt;/p&gt;
&lt;p&gt;There are truck-navigation apps. ELD systems. Fuel-price apps. Parking apps. Load calculators. Payroll tools. Detention trackers.&lt;/p&gt;
&lt;p&gt;The problem I kept running into wasn’t necessarily that a tool didn’t exist.&lt;br&gt;
The problem was that the tools didn’t understand each other.&lt;/p&gt;
&lt;p&gt;That realization eventually became Trucker Suite.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;It Started Much Smaller&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Trucker Suite did not begin as some enormous transportation platform.&lt;/p&gt;
&lt;p&gt;The first version was a collection of practical Android tools I wanted for myself.&lt;/p&gt;
&lt;p&gt;DockClock tracks detention time and calculates expected detention pay.&lt;/p&gt;
&lt;p&gt;LoadWorth helps evaluate what a load is actually worth instead of looking only at its headline pay.&lt;br&gt;
Pay Week tracks completed work and gives the driver a running estimate of weekly earnings.&lt;br&gt;
Each feature solved a real problem.&lt;/p&gt;
&lt;p&gt;But eventually I noticed something important:&lt;/p&gt;
&lt;p&gt;I was still treating them like separate applications.&lt;/p&gt;
&lt;p&gt;That wasn’t how trucking actually worked.&lt;/p&gt;
&lt;p&gt;If I spend another 90 minutes waiting at a shipper, the effect does not stop at DockClock.&lt;br&gt;
That delay may reduce my available driving time.&lt;/p&gt;
&lt;p&gt;That may change where I can legally stop for the night.&lt;/p&gt;
&lt;p&gt;That shutdown could affect tomorrow’s delivery appointment.&lt;/p&gt;
&lt;p&gt;A different shutdown location might require a different fuel stop.&lt;/p&gt;
&lt;p&gt;Those changes can alter the mileage, cost, and ultimately the financial value of the trip.&lt;/p&gt;
&lt;p&gt;One event can ripple through the entire load.&lt;/p&gt;
&lt;p&gt;That became the bigger engineering problem.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;From Utilities to a Decision System&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;The direction for Trucker Suite now revolves around an Active Trip model.&lt;/p&gt;
&lt;p&gt;Instead of asking every feature to maintain its own isolated data, the trip becomes the central object.&lt;br&gt;
Conceptually, a trip can contain information such as:&lt;/p&gt;
&lt;p&gt;Trip&lt;br&gt;
 ├── Origin&lt;br&gt;
 ├── Destination&lt;br&gt;
 ├── Pickup appointment&lt;br&gt;
 ├── Delivery appointment&lt;br&gt;
 ├── Loaded miles&lt;br&gt;
 ├── Deadhead miles&lt;br&gt;
 ├── Remaining HOS&lt;br&gt;
 ├── Fuel state&lt;br&gt;
 ├── Driver compensation model&lt;br&gt;
 ├── Detention&lt;br&gt;
 ├── Planned stops&lt;br&gt;
 └── Calculated risk/results&lt;/p&gt;
&lt;p&gt;Then individual systems become services working against that shared state.&lt;/p&gt;
&lt;p&gt;DockClock should not simply say:&lt;br&gt;
&lt;em&gt;You have been detained for 1 hour and 37 minutes.&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;It should eventually be able to trigger questions like:&lt;/p&gt;
&lt;p&gt;Did the delay reduce the driver's available HOS?&lt;/p&gt;
&lt;p&gt;Does the original shutdown location still work?&lt;/p&gt;
&lt;p&gt;Can the delivery appointment still be reached legally?&lt;/p&gt;
&lt;p&gt;Does a fuel stop need to move?&lt;/p&gt;
&lt;p&gt;What happened to expected earnings?&lt;/p&gt;
&lt;p&gt;Is the trip now at risk?&lt;/p&gt;
&lt;p&gt;That is a much more interesting software problem than building another timer.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;The Output I Actually Want&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;One of the goals is to reduce complicated operational information into something immediately useful.&lt;/p&gt;
&lt;p&gt;For example:&lt;br&gt;
&lt;strong&gt;TRIP STATUS: AT RISK&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Remaining drive time: 3h 42m&lt;br&gt;
Required drive time: 3h 31m&lt;br&gt;
Appointment buffer: 11 min&lt;/p&gt;
&lt;p&gt;Primary risk:&lt;br&gt;
Current fuel stop adds approximately 24 minutes.&lt;/p&gt;
&lt;p&gt;Recommended action:&lt;br&gt;
Use alternate fuel location and continue to planned shutdown.&lt;/p&gt;
&lt;p&gt;Projected appointment buffer after change:&lt;br&gt;
37 minutes&lt;/p&gt;
&lt;p&gt;Then imagine the driver adds another 60 minutes of detention.&lt;/p&gt;
&lt;p&gt;The system recalculates.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;&lt;em&gt;TRIP STATUS: NOT FEASIBLE&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Reason:&lt;br&gt;
Remaining HOS is insufficient to reach planned shutdown&lt;br&gt;
and preserve the delivery appointment.&lt;/p&gt;
&lt;p&gt;Recommended action:&lt;br&gt;
Notify dispatch of probable service failure and&lt;br&gt;
recalculate after required rest period.&lt;/p&gt;
&lt;p&gt;That is where I think Trucker Suite becomes substantially more useful.&lt;/p&gt;
&lt;p&gt;It stops being a collection of calculators and starts becoming a decision-support system.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Why This Gets Technically Difficult&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;The funny part is that many individual calculations are not especially exotic.&lt;br&gt;
Calculating mileage is straightforward.&lt;/p&gt;
&lt;p&gt;Calculating remaining drive time is straightforward.&lt;/p&gt;
&lt;p&gt;Calculating detention pay is straightforward.&lt;/p&gt;
&lt;p&gt;The complexity comes from the relationships between them.&lt;/p&gt;
&lt;p&gt;A delay changes time.&lt;/p&gt;
&lt;p&gt;Time changes legal feasibility.&lt;/p&gt;
&lt;p&gt;Legal feasibility changes routing options.&lt;/p&gt;
&lt;p&gt;Routing changes fuel consumption and cost.&lt;/p&gt;
&lt;p&gt;Fuel changes trip economics.&lt;/p&gt;
&lt;p&gt;Trip economics can change depending on whether the driver is paid by mileage, percentage, hourly pay, or operates their own truck.&lt;/p&gt;
&lt;p&gt;And not every input is reliable.&lt;/p&gt;
&lt;p&gt;Traffic changes.&lt;/p&gt;
&lt;p&gt;Parking fills up.&lt;/p&gt;
&lt;p&gt;A receiver may take three hours instead of thirty minutes.&lt;/p&gt;
&lt;p&gt;A road closes.&lt;/p&gt;
&lt;p&gt;A driver gains HOS after a break.&lt;/p&gt;
&lt;p&gt;Eventually this becomes less about finding one correct answer and more about evaluating risk under changing constraints.&lt;/p&gt;
&lt;p&gt;That is the part of Trucker Suite I find most interesting as a developer.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Build the Brain Before the Integrations&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;It would be very easy to start integrating APIs immediately.&lt;/p&gt;
&lt;p&gt;Traffic.&lt;/p&gt;
&lt;p&gt;Weather.&lt;/p&gt;
&lt;p&gt;Commercial routing.&lt;/p&gt;
&lt;p&gt;Fuel prices.&lt;/p&gt;
&lt;p&gt;ELD data.&lt;/p&gt;
&lt;p&gt;Parking availability.&lt;/p&gt;
&lt;p&gt;That would make the application look impressive quickly.&lt;/p&gt;
&lt;p&gt;It would also be very easy to create an expensive pile of integrations without proving the core idea.&lt;br&gt;
So I’m taking the opposite approach.&lt;/p&gt;
&lt;p&gt;The calculation and decision layer should work with manually entered data first.&lt;/p&gt;
&lt;p&gt;If the system cannot make a useful decision when I manually tell it:&lt;/p&gt;
&lt;p&gt;Miles remaining: 312&lt;br&gt;
Drive time remaining: 5h 48m&lt;br&gt;
Appointment: 07:00&lt;br&gt;
Current delay: 90 minutes&lt;br&gt;
Fuel: 38%&lt;/p&gt;
&lt;p&gt;then connecting an API that fills those values automatically will not magically make the system intelligent.&lt;/p&gt;
&lt;p&gt;APIs should improve the quality and convenience of the inputs.&lt;/p&gt;
&lt;p&gt;They should not be the product.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Designing for Replaceable Providers&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Another architectural goal is keeping external services replaceable.&lt;/p&gt;
&lt;p&gt;Instead of scattering vendor-specific logic throughout the application, I want integrations to eventually sit behind provider interfaces.&lt;/p&gt;
&lt;p&gt;Conceptually:&lt;/p&gt;
&lt;p&gt;HOSProvider&lt;br&gt;
 ├── ManualHOSProvider&lt;br&gt;
 ├── MotiveProvider&lt;br&gt;
 └── SamsaraProvider&lt;/p&gt;
&lt;p&gt;RouteProvider&lt;br&gt;
 ├── ManualRouteProvider&lt;br&gt;
 ├── ProviderA&lt;br&gt;
 └── ProviderB&lt;/p&gt;
&lt;p&gt;FuelProvider&lt;br&gt;
 ├── ManualFuelProvider&lt;br&gt;
 └── LiveFuelProvider&lt;/p&gt;
&lt;p&gt;That matters for two reasons.&lt;/p&gt;
&lt;p&gt;First, API vendors change pricing, capabilities, and access rules.&lt;/p&gt;
&lt;p&gt;Second, commercial drivers do not always control the technology their carrier uses.&lt;/p&gt;
&lt;p&gt;A driver working for one company might have access to one ELD ecosystem while another driver has something completely different.&lt;/p&gt;
&lt;p&gt;Trucker Suite still needs to function when automatic data is unavailable.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Building From the Driver’s Seat&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;I’m building Trucker Suite while still working as an OTR driver.&lt;/p&gt;
&lt;p&gt;That is occasionally inconvenient.&lt;/p&gt;
&lt;p&gt;It also gives me something extremely valuable: I live inside the problem I’m trying to solve.&lt;/p&gt;
&lt;p&gt;When a dock delay destroys my original trip plan, I can look at that situation as both a driver and a developer.&lt;/p&gt;
&lt;p&gt;When I have to decide whether cheaper fuel is actually worth leaving the route for, that becomes another system question.&lt;/p&gt;
&lt;p&gt;When dispatch sends a load with an appointment that looks suspiciously tight, I can ask what information software would need to recognize the problem before the driver discovers it the hard way.&lt;/p&gt;
&lt;p&gt;A lot of Trucker Suite’s roadmap has come from moments where I caught myself thinking:&lt;br&gt;
“Why am I still doing this calculation in my head?”&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;What Comes Next&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;The immediate development target is deliberately narrow.&lt;/p&gt;
&lt;p&gt;One trip.&lt;/p&gt;
&lt;p&gt;One shared data model.&lt;/p&gt;
&lt;p&gt;One analysis screen.&lt;/p&gt;
&lt;p&gt;The driver enters the trip, HOS, appointment information, fuel state, and compensation information.&lt;/p&gt;
&lt;p&gt;Trucker Suite evaluates it and produces:&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;FEASIBLE&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;AT RISK&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;or&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;NOT FEASIBLE&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;along with an explanation.&lt;/p&gt;
&lt;p&gt;Then detention can be changed by 30, 60, or 120 minutes and the system recalculates the trip.&lt;br&gt;
If that works well, the integrations can come afterward.&lt;/p&gt;
&lt;p&gt;Commercial routing.&lt;/p&gt;
&lt;p&gt;Live fuel.&lt;/p&gt;
&lt;p&gt;ELD information.&lt;/p&gt;
&lt;p&gt;Traffic.&lt;/p&gt;
&lt;p&gt;Weather.&lt;/p&gt;
&lt;p&gt;Parking.&lt;/p&gt;
&lt;p&gt;But first, the software needs to prove it can reason about the trip.&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;The Bigger Lesson&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Building Trucker Suite has changed the way I think about software products.&lt;/p&gt;
&lt;p&gt;Sometimes the opportunity is not creating a brand-new category of data.&lt;/p&gt;
&lt;p&gt;It is recognizing that users are already drowning in useful data that lives in separate systems.&lt;br&gt;
The interesting problem becomes connecting those pieces in a way that produces a decision.&lt;/p&gt;
&lt;p&gt;For Trucker Suite, the goal isn’t:&lt;/p&gt;
&lt;p&gt;&lt;em&gt;Put every trucking application into one screen.&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;The goal is:&lt;/p&gt;
&lt;p&gt;&lt;em&gt;Understand how the pieces affect each other well enough to help the driver decide what to do next.&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;That is a considerably harder product to build.&lt;/p&gt;
&lt;p&gt;It is also the product I wish I had every time something goes wrong on the road.&lt;/p&gt;
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<guid isPermaLink="true">https://coderlegion.com/28978/building-trucker-suite-when-one-more-app-isnt-the-answer</guid>
<pubDate>Mon, 28 Sep 2026 21:56:30 +0000</pubDate>
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