Alameda-Contra Costa Transit District (AC Transit) 621 delays, detours and service alerts

American High - Thornton Middle · US/Pacific

Selected branch: Ardenwood Blvd. & Commerce Dr. · 19 stops.

Current Alameda-Contra Costa Transit District (AC Transit) 621 delays and detours

Agency alert feed unavailable or stale. Alerts below match this route, its agency, or a stop on any published branch. Active periods and feed freshness determine which alerts are available.

No matching active alerts in the available snapshot.

This does not confirm normal service. Check the agency and departure board for your journey.

Official Alameda-Contra Costa Transit District (AC Transit) service information ↗Check live departures →

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 ↗