Alameda / Bus
Alameda-Contra Costa Transit District (AC Transit) 621 live tracking and departures
American High - Thornton Middle · US/Pacific
Selected branch: Ardenwood Blvd. & Commerce Dr. · 19 stops.
621 live vehicle tracking
Live data unavailable. Fresh vehicle positions only; 0 fresh vehicles matched to this route. The map shows vehicles assigned to the selected stopping pattern. Vehicles on other branches may be omitted.
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Official route geometry · 0 fresh vehicles on selected branch
Positions refresh every 30 seconds. An absent marker does not establish a canceled trip. Predictions and vehicle positions can have different availability.
Next departures from Thornton Av & Dusterberry Way (Thornton Jr High)
Ardenwood Blvd. & Commerce Dr.Scheduled
2:34 PM2:34 PM · Mon, Oct 26
Ardenwood Blvd. & Commerce Dr.Scheduled
2:35 PM2:35 PM · Mon, Oct 26
Live data unavailable · Live predictions and published schedule fallbacks are labeled on each departure.
More Alameda-Contra Costa Transit District (AC Transit) travel information
Published Alameda-Contra Costa Transit District (AC Transit) schedule
Imported Oct 24, 2026 · 04:36 UTC · Service dates 2026-08-09 through 2027-04-03. See data status
Schedule data published by Alameda-Contra Costa Transit District (AC Transit). Feed discovery and cached source archives from MobilityData. Source details ↗