
India has taken a major step toward modernizing its highway infrastructure with the launch of the country’s first barrierless Multi-Lane Free Flow (MLFF) tolling system. The new system became operational at the Choryasi Fee Plaza on NH-48 near Surat in Gujarat, marking a shift from traditional toll plazas to seamless, stop-free travel.
What is MLFF Tolling?
The Multi-Lane Free Flow (MLFF) system is an advanced, barrier-less toll collection technology that allows vehicles to pass through toll points at normal highway speeds without stopping or even slowing down significantly. It eliminates physical boom barriers, toll booths, and long queues that have long plagued Indian highways.
Developed under the guidance of the National Highways Authority of India (NHAI) and implemented through the Indian Highways Management Company Limited (IHMCL), the Choryasi plaza serves as the pilot project. Similar systems are planned for other locations, such as Gharaunda in Haryana, with ambitions to convert numerous toll plazas nationwide by the end of 2026.
How Does the MLFF System Work?
The MLFF system relies on overhead gantries equipped with cutting-edge sensors, cameras, and readers. Here’s a step-by-step breakdown of the process:
- Vehicle Approach and Detection: As a vehicle enters the toll zone at highway speed, overhead sensors detect its presence and begin tracking its movement across any lane.
- Automatic Identification:
- High-performance RFID readers instantly scan the FASTag mounted on the vehicle’s windshield.
- Front and rear Automated Number Plate Recognition (ANPR) cameras capture clear images of the license plate. Artificial intelligence and India-optimized Optical Character Recognition (OCR) technology then identify the Vehicle Registration Number (VRN).
- Additional sensors classify the vehicle type (e.g., car, truck, or bus) to calculate the correct toll amount.
- Instant Toll Deduction: The system transmits the collected data in real time to the linked FASTag account via NPCI and the associated bank. The toll is deducted automatically within milliseconds, allowing uninterrupted travel.
- Enforcement for Non-Compliance: If a valid FASTag is not detected or the account lacks sufficient balance, the system uses the captured number plate to generate an e-challan or impose penalties. This ensures high compliance rates.
The entire transaction is contactless and invisible to the driver, making tolling nearly seamless.
Key Advantages of the New System
- Reduced Congestion: Vehicles no longer need to stop or queue, significantly cutting delays at toll plazas.
- Time and Fuel Savings: Smoother traffic flow leads to faster journeys and lower fuel consumption.
- Environmental Benefits: Reduced idling helps lower emissions.
- Improved Revenue Collection: Automated processes minimize leakage and enhance transparency.
- Enhanced User Experience: Drivers can stay in any lane and maintain speed, improving overall highway efficiency.
This initiative builds upon India’s successful FASTag ecosystem, which became mandatory years ago, and represents the next evolution in electronic toll collection. Officials expect the Choryasi pilot to provide valuable insights for scaling the technology across the national highway network.
As India continues to expand its road infrastructure, systems like MLFF promise to transform long-distance travel into a quicker, more efficient, and user-friendly experience. The barrierless future of Indian highways is now underway.