Oklahoma DOT — OKC TMC
I-40 / I-35 (OKC metro) · 52 segments · 148 detectors · 91% probe coverage
14.2M obs / 26 wks· last round 16:30 CT (today)
weights only
Kansas DOT — Wichita TMC
I-35 (Wichita metro) · 38 segments · 96 detectors · 84% probe coverage
9.6M obs / 26 wks· last round 16:30 CT (today)
No raw telemetry leaves either agency
Round 214 complete · next aggregate 20:30 CT
Validation error — federated vs. local-only
30-min speed forecast MAE (mph), OKC holdout weeks · lower is better
Quality gap closed
−31%
forecast error vs. local-only training: 7.1 → 4.9 mph MAE after 8 weeks of federated rounds
Largest gains on low-detector segments (I-35 MM 116–123): −38%
Exchange log
Round 214 aggregate — model deltas merged (2 sites)
16:30 CT · 18.4 MB weights · No raw data
Round 213 aggregate — model deltas merged (2 sites)
12:30 CT · 18.4 MB weights · No raw data
Round 212 aggregate — model deltas merged (2 sites)
08:30 CT · 18.4 MB weights · No raw data
Round 211 aggregate — KS DOT rejoin after maintenance window
Yesterday 20:30 · 18.4 MB weights · No raw data