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621

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Alameda-Contra Costa Transit District (AC Transit) 621 stops, route map and branches

American High - Thornton Middle · US/Pacific

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

621 route map and ordered stop list

The map follows the selected branch. Choose another direction or short turn above to inspect its own stops.

Thornton Av & Dusterberry Way (Thornton Jr High)Fremont Blvd & Thornton AvFremont Blvd & Alder Av (American Sr High School)Fremont Blvd & Nicolet AvFremont Blvd & Tamayo StDecoto Rd & Fremont BlvdDecoto Rd & Brookmill DrPaseo Padre Pkwy & Warwick RdPaseo Padre Pkwy & Darwin DrPaseo Padre Pkwy & Whitehead LnPaseo Padre Pkwy & Langhorn DrPaseo Padre Pkwy & Milton StPaseo Padre Pkwy & Fremont BlvdPaseo Padre Pkwy & Blackstone WayPaseo Padre Pkwy & Siward DrPaseo Padre Pkwy & Deep Creek RdPaseo Padre Pkwy & Half Hitch StArdenwood Blvd & Tan Oak DrArdenwood Blvd & Commerce DrN ↑
Official route geometry
  2. 2. Fremont Blvd & Thornton AvID 1103 · Stop code 56055
  4. 4. Fremont Blvd & Nicolet AvID 1086 · Stop code 56625
  5. 5. Fremont Blvd & Tamayo StID 1101 · Stop code 53563
  6. 6. Decoto Rd & Fremont BlvdID 1023 · Stop code 50501
  7. 7. Decoto Rd & Brookmill DrID 1412 · Stop code 56250
  8. 8. Paseo Padre Pkwy & Warwick RdID 1293 · Stop code 51644
  9. 9. Paseo Padre Pkwy & Darwin DrID 1244 · Stop code 59730
  10. 10. Paseo Padre Pkwy & Whitehead LnID 1295 · Stop code 57130
  11. 11. Paseo Padre Pkwy & Langhorn DrID 1254 · Stop code 54650
  12. 12. Paseo Padre Pkwy & Milton StID 1255 · Stop code 59958
  13. 13. Paseo Padre Pkwy & Fremont BlvdID 1251 · Stop code 57551
  14. 14. Paseo Padre Pkwy & Blackstone WayID 1234 · Stop code 56070
  15. 15. Paseo Padre Pkwy & Siward DrID 1282 · Stop code 51189
  16. 16. Paseo Padre Pkwy & Deep Creek RdID 1246 · Stop code 51514
  17. 17. Paseo Padre Pkwy & Half Hitch StID 5944 · Stop code 52197
  18. 18. Ardenwood Blvd & Tan Oak DrID 996 · Stop code 51654
  19. 19. Ardenwood Blvd & Commerce DrID 995 · Stop code 54394 · Drop-off only

Published directions and branches

Each stopping pattern has its own sequence. Occasional variants may have no trips on today’s date.

Ardenwood Blvd. & Commerce Dr.19 stops · 4 trips in the published feed · Pattern 9df0e391b8b7f304fa3b6972↗Ardenwood Blvd. & Commerce Dr.17 stops · 4 trips in the published feed · Pattern e2d83a861b8baa1786441603↗Thornton Middle School18 stops · 1 trips in the published feed · Pattern 1315ff10c9c82e9117c17d06↗American High School17 stops · 1 trips in the published feed · Pattern f55fdca4799ccedd2ec10e6e↗

Additional stops on other branches

These stop records occur on another published variant of 621. Open a branch above for its ordered map and sequence.

Ardenwood Blvd & Commerce Dr 55260 ↗Ardenwood Blvd & Tan Oak Dr 58100 ↗Decoto Rd & Paseo Padre Pkwy 53173 ↗Fremont Blvd & Alder Av (American Sr High School) 53115 ↗Fremont Blvd & Decoto Rd 55245 ↗Fremont Blvd & Gibraltar Dr 51751 ↗Fremont Blvd & Nicolet Av 52112 ↗Fremont Blvd & Tamayo St 58722 ↗Paseo Padre Pkwy & Blackstone Way 55498 ↗Paseo Padre Pkwy & Bowling Green Common 58853 ↗Paseo Padre Pkwy & Chaucer Dr 56629 ↗Paseo Padre Pkwy & Darwin Dr 50890 ↗Paseo Padre Pkwy & Deep Creek Rd 53100 ↗Paseo Padre Pkwy & Fremont Blvd 51766 ↗Paseo Padre Pkwy & Siward Dr 52275 ↗Paseo Padre Pkwy & Tupelo St 53611 ↗Paseo Padre Pkwy & Warwick Rd 55271 ↗Thornton Av & Dusterberry Way (Thornton Jr High) 56066 ↗

More Alameda-Contra Costa Transit District (AC Transit) travel information

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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 ↗