AC Transit performance tracker
Presentations & research
Briefings and independent analyses built from AC Transit’s public schedule and real-time vehicle data.
Riders already paid for reliability
Prepared public comment urging the AC Transit Board to turn its semiannual reliability review into a weekly, rider-centered feedback loop.
AC Transit staff report confirms reliability slide
The staff report establishes the observed operational reliability problem. Our independent rider-experience metrics can complement it by showing more targeted metrics on severe delays, long gaps and bunching, and patterns of when service failures occur.
Where AC Transit service disappears for 40 minutes at a time
Four days of actual-arrival data identify repeated service gaps and the best places and times to interview riders experiencing them.
AC Transit cannot rebuild reliability blind
Why the board should make reliability visible every week after riders accepted a less frequent network on the promise of more dependable service.
Where Line 51A Loses Time on Broadway
A block-by-block study of daytime street delay, evening service gaps, and weekend reliability in June and July 2026.
A Bus That Runs Is Not Always a Bus You Can Rely On
A rider-centered analysis of service delivery, punctuality, completion, waits, and route-level trends through summer 2026.
Measuring AC Transit From the Rider’s Seat
Board briefing on the tracker, its architecture, and its rider-centered performance views.