Smart India Hackathon 2026 · Problem SIH26137

QuantumFlow — Quantum-Inspired Intelligent Traffic Route Optimization

A quantum-inspired evolutionary metaheuristic re-routes city traffic in real time across a live-ready OpenStreetMap graph, co-optimising travel time, signal wait and tailpipe emissions.

Network clock

09:30

Time saved

-22.3 min

CO₂ avoided

-0.10 kg

SIH deck (.pptx)
Predicted ETA-45.9%

26.2min

Classic route: 48.5 min

11.3 km travelled · 0 incident link(s) on path

Corridor congestion-13.2%

77%

Classic route: 89%

Distance-weighted jam factor across the chosen links

Signal wait-58.7%

4.6min

Classic route: 11.1 min

Cumulative stop delay at signalised intersections

CO₂ emissions+3.8%

2.81kg

Classic route: 2.70 kg

1.21 L fuel · idle-corrected urban cycle

Kempegowda CircleMajestic JunctionShivaji NagarIndiranagar GateWhitefield RingRajaji ChowkVidhana MargMG Road HubDomlur FlyoverITPL CorridorJayanagar 4thLalbagh WestKoramangala SqHSR LayoutSarjapur GateBanashankariBTM DepotSilk BoardElectronic City
Free flowModerateHeavyGridlock Quantum-optimised Classic shortest path

Route comparison

Quantum-inspired optimum26.2 min

HSR Layout → Electronic City → Silk Board → BTM Depot → Banashankari

Distance11.3 kmJam77%Signals4.6 minCO₂2.81 kg

Selected after amplitude amplification + tunnelling over the live network state

Classic shortest path48.5 min

HSR Layout → Koramangala Sq → Silk Board → BTM Depot → Banashankari

Distance9.8 kmJam89%Signals11.1 minCO₂2.70 kg

Dijkstra on static distance — congestion and signal blind

Distinct alternate #148.5 min

HSR Layout → Koramangala Sq → Silk Board → BTM Depot → Banashankari

Distance9.8 kmJam89%Signals11.1 minCO₂2.70 kg

Kept because it overlaps the optimum by less than 72% of links

Distinct alternate #248.2 min

HSR Layout → Domlur Flyover → MG Road Hub → Silk Board → BTM Depot → Banashankari

Distance13.9 kmJam78%Signals10.2 minCO₂3.55 kg

Kept because it overlaps the optimum by less than 72% of links