Research map / Probabilistic and scientific modeling / Variational and generative sampling
City-Scale Pollution Aware Traffic Routing by Sampling Max Flows Using MCMC
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| route using seven diverse maximum-flow samples instead of a single FFA flow | MaxFlow-MCMC traffic policy · Berkeley | average NOx_nm (mg): 945 -> 316 ± 2 | Helped |
| route using seven diverse maximum-flow samples instead of a single FFA flow | MaxFlow-MCMC traffic policy · Islington | average NOx_nm (mg): 2048 -> 1150 ± 4 | Helped |
| route using seven diverse maximum-flow samples instead of a single FFA flow | MaxFlow-MCMC traffic policy · Seattle | average NOx_nm (mg): 2402 -> 512 ± 9 | Helped |
| route using seven diverse maximum-flow samples instead of a single FFA flow | MaxFlow-MCMC traffic policy · Kanpur | average NOx_nm (mg): 1152 -> 444 ± 2 | Helped |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Berkeley | average NOx_nm (mg): 462 ± 4 -> 316 ± 2 | Helped |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Islington | average NOx_nm (mg): 1369 ± 5 -> 1150 ± 4 | Helped |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Seattle | average NOx_nm (mg): 856 ± 11 -> 512 ± 9 | Helped |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Kanpur | average NOx_nm (mg): 597 ± 4 -> 444 ± 2 | Helped |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Seattle | maximum NOx_nm (* 10^-3): 12.8 ± 0.9 -> 12.3 ± 0.8 | Helped |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Berkeley | average path length (m): 9457 ± 40 -> 9456 ± 19 | No clear effect |
| use seven samples instead of three (ablation) | MaxFlow-MCMC · Berkeley | total pollution (* 10^-4): 66.5 ± 0.4 -> 66.7 ± 0.2 | Mixed |
| sample diverse maximum-flow solutions rather than use a single flow | MaxFlow-MCMC · Small Map | average NOx_nm (mg): 4387 -> 1784 | Helped |
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