Every transport manager has faced the same situation: a market truck loaded with your freight, no GPS device, and a customer asking for a live status. The traditional answer was a phone call to the driver every few hours. The current answer is better.
The mechanism, step by step
First, the driver's mobile number is registered against the trip. Second, a consent request reaches the driver's phone — a simple approval, no app installation required on most networks. Third, once approved, the mobile network reports the SIM's location at the chosen interval, and the vehicle appears on your dashboard for the duration of the trip. When the trip closes, tracking stops automatically.
What you need — and what you don't
You need the driver's number, the driver's consent, and a tracking platform connected to the operator networks. You do not need hardware, an installation visit, a technician, or the vehicle owner's capital expenditure approval. That last point is why SIM tracking spread so quickly through India's hired-vehicle economy: it removes every friction that made GPS impractical for vehicles you don't own.
Honest limitations
The method depends on the driver's phone being switched on and inside network coverage, and its accuracy is tower-based rather than satellite-based — a few hundred metres, not a few metres. If a driver's phone dies mid-route, so does the signal until it returns. These are real constraints, and reputable providers are upfront about them. In practice, blending SIM positions with FASTag toll crossings covers most gaps on highway routes.
When it is the right tool
SIM tracking is the natural fit for hired and market vehicles, short-term engagements, high-value consignments needing an independent location source, and field workforce visibility. For owned vehicles on long-term duty, GPS hardware still earns its keep — the two approaches complement rather than compete.
Getting started
Pick ten upcoming trips on hired vehicles, run them with SIM tracking, and count the status calls your team didn't have to make. Most operators need no further convincing.