Skip to main content
Product

Where Are My Cars

6 min readJose Diaz, founder of TransfersManager and former VTC driver in Malaga
TransfersManager fleet control (in Spanish): a live map of the coast between Benalmadena, Torremolinos and Malaga airport with the cars on their roads and one selected, its driver busy at 47 km/h, plate 3201 NRG, the job's route by road to terminal 2 and the active job card with the passenger and the pickup

It's a Friday with six jobs running, and someone asks in the fleet's WhatsApp group: "who's free at four?" Three minutes go by with no answer because two drivers are on the road and can't check their phone, one has it muted, and the one who does reply gives a rough time because they don't know exactly how much of their current trip is left. The four o'clock job gets assigned anyway, blind, hoping it doesn't clash with another job carrying the same uncertainty.

jobs running that Friday
6
with no answer to "who's free at four?"
3 min
drivers on the road, unable to check their phone
2
The live fleet map: a group of cars opens up and, on picking a job, its car, route and card appear.

Why the WhatsApp group stops holding up

A WhatsApp group works reasonably well with two or three cars, where everyone knows each other and there's little room for confusion. It stops working once the usual symptoms show up: messages that get buried under other messages, a driver confirming a job that was already assigned to someone else, an availability question that takes a while to get answered because nobody's looking at the group right then. None of these failures are any one person's fault. It's the channel itself, built for conversation, that was never built to coordinate real-time operations.

WhatsApp group

  • You ask "who's free?" and wait
  • Availability is whatever each driver says, if they reply
  • You assign whoever replied first
  • A delay leaves only the driver's memory of it

Live map

  • You look and already know
  • The system knows who has an active job
  • You see which car is closest to the pickup
  • The car's position is kept for every moment of the job
What changes isn't the look: it's who has to do the work of finding something out.

From the group to a live map

A live map replaces the "who's free?" question with an immediate visual answer: every vehicle's position, its status (free, en route to pickup, with a passenger, off duty) and the job it's assigned to, all on one screen. The difference isn't just cosmetic. It changes who has to do the work of finding something out: in the WhatsApp group, the dispatcher asks and waits; with the map, they look and already know.

Three things a live map solves that a message thread can't:

  1. Actual availability, not self-reported: the system knows whether a driver has an active job instead of relying on them to announce it.
  2. Geographic proximity: when assigning a new job, you see which vehicle is physically closest to the pickup point, not just who replied first.
  3. A position history per job: if there's an issue (a delay, a complaint about arrival time), there's a record of where the vehicle actually was at each point, not just the driver's memory of it.
Fleet control with one car selected: its position, the route of the job it is running and the card with the passenger and the time.

Direct communication with each driver

The map solves the "where", but you still need to talk to the specific driver on a specific job without dropping that conversation into the general group, where everyone else sees it for no reason. Direct, per-job communication avoids two typical problems with a shared group: an instruction meant for one driver getting read by another by mistake, and a job's history getting mixed in with everyone else's when you need to review it later.

The driver app: their job sheet for the day

Before the app, a driver's job sheet for the day was literally that: a sheet, on paper or a screenshot, listing that day's assigned jobs, which had to be updated by hand every time something changed. The driver app replaces that with an always-current view showing:

  • The day's assigned jobs, in order, with time, pickup point and destination.
  • The passenger details needed for the job (name, flight number if relevant, number of seats, luggage).
  • Direct navigation to the pickup point.
  • One-tap status updates for each job (en route, at pickup, with passenger, completed), no phone call needed to report it.

That last part is what feeds the live map: nobody has to ask where each car is, because every driver is already reporting their status without even thinking about it, as a natural part of doing the job.

Both sides of one job: the passenger picks the date and time in their app and the driver sees it on the day sheet (both apps shown in Spanish). Every status the driver confirms with a tap is what moves the dispatcher's map.

Every tap from the driver is a status on the map

  1. 1

    En route

    Heading to the pickup point.

    The driver taps

    On my way

    The map shows

    Amber: on the way
  2. 2

    At pickup

    Arrived and waiting for the passenger.

    The driver taps

    I have arrived

    The map shows

    Blue: at pickup
  3. 3

    With passenger

    The job is under way.

    The driver taps

    Passenger on board

    The map shows

    Red: busy
  4. 4

    Completed

    The car is free again.

    The driver taps

    Complete job

    The map shows

    Green: free
The four statuses the driver confirms from the app, with no call to report them.

What a dispatcher actually sees

Whoever is dispatching jobs needs a different view than the driver's: not one job at a time, but the whole operation at a glance. In practice, that means:

What the dispatcher seesWhat it's used for
A map with the whole fleet's positionDeciding which vehicle to assign a new or last-minute job to
A queue of unassigned jobsPrioritizing what needs solving before it turns urgent
The status of every job in progressCatching a delay before the passenger notices it
A communication history per driver and per jobResolving an incident with data, not with memory
The dispatcher's view: what is pending, what is running and the fleet available, above the map.
The real fleet control: a car picked on the map, its route, and the card with the driver, the vehicle and the job it is on.

With six cars, this view can be replaced with effort and constant attention. With fifteen or twenty, not having it isn't just inconvenient, it's the reason jobs start overlapping without anyone seeing it coming, the same warning sign described in detail in when a fleet outgrows WhatsApp and spreadsheets.

It scales differently than it feels like it should

With three or four cars, a dispatcher can hold the whole picture in their head, and a WhatsApp group barely gets in the way. The trouble is that the jump from "manageable by memory" to "impossible without a system" doesn't happen gradually. It tends to show up in a single bad week: two jobs assigned to the same driver by accident, a delay nobody caught until the passenger called to ask where the car was, a driver who genuinely didn't get the message because it scrolled past in a group with forty other messages that day. None of those are rare edge cases once a fleet passes a certain size; they're the default outcome of coordinating real-time operations through a channel built for chatting.

What to do next

If "where's the four o'clock car?" is still answered with a message to the group and a wait, the problem isn't your drivers' discipline, it's that the channel you're using was never built for this. The practical first step is having each driver report their status as a natural part of using their own app, not as extra work, and having that feed a live map anyone with dispatch access can check without asking.

GPS tracking and job assignment are part of the core features, along with the driver apps that feed them. If you're going to compare, do it with the rest of the signals in when a fleet outgrows WhatsApp in front of you: the map is usually the first one you notice, but it's rarely the only one.

JD

Written by

Jose Diaz, founder of TransfersManager and former VTC driver in Malaga

Stop asking the group where the four o'clock car is

Go in as the dispatcher of a sample fleet: fleet map, unassigned jobs and the status of everything in progress. No signup, no card.

See the live map

The newsletter for operators

Blog articles, analysis of the transfer and VTC market, regulation (RVTC, Verifactu) and product news. No filler, one-click unsubscribe.