gui4gmns · 3D TMC — Bay Area · I-880 N — AM peak (Caltrans PeMS + CHP)
height = congestion · color = speed (green→red) · red tail = queue spillback ·
⚠ callouts = CHP incidents with time windows, annotated from the start (amber while active).
Drag to orbit. A moving red front is a shockwave. Composite over an OpenCities 3D city base for the full scene.
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—
—
—avg speed %
—congested
0active events
speed (green free-flow → red slow)
slowfree-flow
■ red tail = queue spillback
Source: Caltrans PeMS D4 · I-880 N mainline, 5-min speed+flow, 2026-04-21 AM · CHP incidents. Public. · basemaps: Esri World Imagery · OSM · CARTO