Recently, IIT Kharagpur associate professor and students created the Dynamic Route Planning for Urban Green Mobility (or DRUM) web app.
About DRUM Web App:
It’s like Google Maps but with the added feature of allowing users pick routes based on air quality and energy efficiency.
It gives users five route options: shortest, fastest, least exposure to air pollution (LEAP), least energy consumption route (LECR), and a combination of all four factors called the suggested route.
It was designed to fetch live pollution and traffic data the moment a user entered a route instead of pulling data at intervals.
It determines routes using GraphHopper, a Java-based routing library that generates multiple options, while fetching real-time traffic updates from Mapbox.
The team relied on data from the CPCB and the World Air Quality Index.
They implemented a segment-wise interpolation strategy to estimate pollution levels in areas without direct sensor coverage, divided routes into segments, and used nearby sensor data to estimate pollution where coverage was missing.
To test the system, the team simulated Delhi’s East, South, Northand Central corridors, accounting for different traffic, road quality, and pollution patterns.
The results showed that shorter or faster routes often passed through polluted zones, offsetting time or distance gains.
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