New GPS-based Toll Collection System Implemented, Here How it Works

The Indian government has approved the GPS-based toll system that lets drivers pass through toll plazas without stopping. This system uses Global Navigation Satellite System (GNSS) technology to track vehicles and automatically calculate tolls. To encourage use, the government allows a toll-free grace period of up to 20km on national highways. Drivers can travel up to 20km in either direction without paying tolls. However, vehicles with a National Permit don’t get this grace period. After the first 20km, drivers will be charged per kilometre based on the exact distance travelled. This system covers all national highways, bridges, bypasses, and tunnels.

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How Does the System Work?

India is adopting a more efficient toll collection system using GPS technology. Vehicles currently stop at toll plazas to pay, causing traffic congestion. The new system will charge vehicles based on the distance they travel, solving this issue.

Vehicles with an on-board unit (OBU) or compatible tracking device will automatically pay tolls. Advanced technologies like digital image processing and CCTV surveillance will verify locations for accurate toll calculation. OBUs will transmit vehicle location data to satellites. Using GPS and GNSS technology, the system will calculate travel distance and determine the toll.

The GNSS-based toll system faces several challenges. Signal interference from multipath reflections can cause inaccurate location data. In areas like tunnels and ghats, weak or intermittent signals may occur. Bad weather can also disrupt satellite signals.

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The system will first be introduced on select highways and expressways. Drivers can buy OBUs from government portals and install them, similar to FASTag. In the future, new vehicles may come with pre-installed OBUs.

This GPS-based toll system aims to reduce congestion, streamline toll collection, and make driving more convenient.