360° UPSC Mains Analysis

Barrier-free tolling on several NHs across country from December: Gadkari

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Flora & Fauna

Asian Elephant (Elephas maximus)
Status: Endangered
Threat: Habitat fragmentation and physiological stress from noise and air pollution near highway corridors (e.g., NH-275 Bengaluru-Mysuru section).
Bengal Tiger (Panthera tigris)
Status: Endangered
Threat: Disruption of nocturnal movement and corridor avoidance due to high noise levels and headlight glare from idling vehicles at toll plazas near tiger reserves.

Ecology Impact

Eliminating physical toll barriers reduces localized vehicular idling, thereby lowering air and noise pollution in Eco-Sensitive Zones (ESZs) and wildlife corridors intersected by National Highways (such as NH-275). This mitigates the disruption of wildlife movement and reduces the deposition of particulate matter (PM2.5 and PM10) on roadside vegetation.

Science & Tech Angle

The system leverages Global Navigation Satellite System (GNSS) technology (including India's NavIC) for distance-based tolling, integrated with Automatic Number Plate Recognition (ANPR) high-speed cameras. On-board units (OBUs) transmit real-time spatial coordinates to a central cloud server, which calculates the exact distance traveled using GIS mapping and automatically deducts the user fee.

Climate Change Link

Transitioning to barrier-free GNSS tolling is projected to reduce carbon emissions by approximately 5 million tonnes annually by eliminating deceleration, idling, and acceleration cycles at toll plazas. This directly supports India's Nationally Determined Contributions (NDCs) under the Paris Agreement to reduce the emissions intensity of its GDP by 45% by 2030 from 2005 levels.

Sustainable Development

Aligns with SDG 9 (Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation) and SDG 13 (Climate Action) by curbing transport-sector greenhouse gas emissions. It also advances SDG 11 (Sustainable Cities and Communities) by reducing regional air pollution and improving resource efficiency through fuel savings of approximately ₹12,000 crores annually.

International Frameworks

UNFCCC Paris Agreement
Supports India's NDC target of reducing emissions intensity of GDP by 45% by 2030 through decarbonization of the transport sector.
Convention on the Conservation of Migratory Species of Wild Animals (Bonn Convention)
Enhances ecological connectivity by reducing barrier effects, noise, and chemical pollution in critical wildlife corridors crossing national highways.

Sources consulted

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