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Order Distribution

Last Update il y a 10 jours

How to manage driver cancellations How does the Intelligent Queue Algorithm work? How are rides assigned to drivers?

How are rides assigned to drivers?

Yana Borisevich

Last Update il y a 10 jours

When a new ride request comes in, the system uses a smart queue with a “green and yellow card” mechanism to assign jobs fairly and efficiently.

How it works

  • Each driver has 10 seconds to accept a job.

    • ASAP orders: 10-second ringtone + long vibration.

    • Pre-booked orders: 2-second notification.

If the driver doesn’t respond, the system moves to the next one, applying the yellow and green card logic.

Green & yellow cards algorithm (example with 4 drivers)

Step 1:

The job is sent to Driver 1 (the driver who’s been idle the longest).

Driver 1 gets the green card and 10 seconds to accept.


Step 2:
If Driver 1 doesn’t accept, they get a yellow card.The order is now sent to Driver 2 (green card).Driver 1 can still bid for the job, but is no longer in priority.


Step 3:

If Driver 2 also doesn’t accept, they get a yellow card.

The system passes the job to Driver 3 (green card).Now Driver 1 and 2 can bid, but Driver 3 has priority.

What if multiple drivers bid for the order?

If two or more yellow card drivers bid and the green card driver doesn’t accept:

  • The system checks the Estimated Time of Arrival (ETA) from the bids.
  • The order goes to the driver with the shortest ETA.

⚠️ Once a job is accepted, other bids are ignored.

Important note for drivers

If a driver enters a false ETA (e.g. says 1 minute but takes 4), the customer may cancel.

The system may mark the case as “driver did not appear” and apply a cancellation fee if configured by the company.

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