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Q.What is the technology being employed for electronic toll collection on highways? What are its advantages and limitations? What are the proposed changes that will make this process seamless? Would this transition carry any potential hazards?

Examiner Demand & Directive Blueprint: Analytical / Multi-DimensionalIntro: ~20–25 Words • Body: ~100 Words (3–4 dimensions) • Conclusion: ~20–25 Words

How to approach: Identify every sub-question in the prompt, allocate dedicated sub-headings to each part, substantiate points with examples/data, and conclude with a forward-looking Way Forward.

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Introduction

India's current Electronic Toll Collection (ETC) system primarily utilizes Radio Frequency Identification (RFID) technology, implemented nationwide via the FASTag initiative. This allows automated, cashless toll deductions as vehicles pass through toll plazas without needing to halt.

Body Analysis

Advantages of RFID-based FASTag

  • Mitigated Traffic Congestion: Eliminates manual cash transactions, facilitating faster vehicle throughput at toll plazas.
  • Fuel and Time Efficiency: Reduces vehicle idling times, leading to lower fuel consumption and decreased carbon emissions.
  • Enhanced Transparency: Real-time digital transactions minimize manual errors, leakage, and discrepancies in toll collection.
  • Data-Driven Planning: Provides valuable data on traffic patterns, aiding in highway planning and traffic management.

Limitations of the Current System

  • Hardware Malfunctions: Technical glitches in RFID readers or damaged tags can lead to failed transactions or incorrect deductions.
  • Connectivity Issues: Poor internet connectivity in remote areas disrupts real-time payment processing, causing delays.
  • Incomplete Adoption: The persistence of hybrid cash lanes at some plazas slows down overall traffic flow.
  • Tag Misuse: Issues arising from damaged tags or tags linked to incorrect vehicle categories require manual intervention.

Proposed Changes for a Seamless Process

  • GPS-Based Tolling: Transitioning to satellite-based tolling where charges are automatically deducted based on the exact distance traveled, eliminating physical toll plazas entirely.
  • Universal FASTag Mandate: Phasing out cash lanes entirely to ensure 100% digital compliance.
  • Infrastructure Upgrades: Deploying high-accuracy RFID readers and robust backup networks.
  • Payment Integration: Linking FASTag with UPI and diverse banking networks to enhance user convenience.

Potential Hazards of the Transition

  • Privacy Violations: Continuous tracking of vehicle movements via GPS raises significant surveillance and data privacy concerns.
  • Technical Vulnerabilities: Reliance on satellite tracking requires flawless infrastructure; any system outage could halt tolling operations.
  • Cybersecurity Threats: Digital tolling networks are susceptible to hacking, data breaches, and financial fraud.

Conclusion

While RFID-based FASTags have revolutionized highway transit, addressing technical and operational limitations is crucial. The proposed shift to GPS-based tolling offers immense potential but demands robust data protection laws, secure cybersecurity frameworks, and resilient technical infrastructure to ensure a safe and seamless transition.

Reviewed by Avinash Sir (Lead UPSC Faculty) & Acme AI Research Team • Updated Sep 2026

Question Specifications, Marking Rubric & Syllabus Mapping

Examination & YearUPSC Civil Services Mains Examination 2024 (Question 2)
Paper & Syllabus TopicGeneral Studies Paper III — Economy, Environment, S&T & Security → Science, Technology & Innovation
Marks, Word Limit & Ideal Time10 Marks • 150 Words • Ideal Writing Time: 7–8 Minutes
Directive Word & Core DemandAnalytical / Multi-Dimensional: Address all explicit sub-parts of the question with balanced arguments, factual illustrations, and a solution-oriented conclusion.
Recommended Structure SplitIntro: ~20–25 Words • Body: ~100 Words (3–4 dimensions) • Conclusion: ~20–25 Words
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Frequently Asked Questions — UPSC Mains 2024 GS3 (Science & Technology)

How should I structure the answer for this UPSC Mains 2024 GS Paper III question on Science & Technology?

This 2024 GS Paper III question carries 10 marks with a 150-word limit and uses the "Analytical / Multi-Dimensional" directive. Identify every sub-question in the prompt, allocate dedicated sub-headings to each part, substantiate points with examples/data, and conclude with a forward-looking Way Forward. Follow the ideal word split (Intro: ~20–25 Words • Body: ~100 Words (3–4 dimensions) • Conclusion: ~20–25 Words) and aim to finish within 7–8 Minutes.

Which UPSC Mains syllabus topic does this 2024 question belong to?

This question is part of General Studies Paper III — Economy, Environment, S&T & Security under the syllabus module "Science, Technology & Innovation". You can explore all repeated questions from Science & Technology in Acme AI's 3D PYQ Realm or filter all Science & Technology PYQs on the Mains PYQ Directory.

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