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21

Allegheny County / Bus

Port Authority of Allegheny County 21 stops, route map and branches

CORAOPOLIS · America/New_York

Selected branch: OUTBOUND-SEWICKLEY · 65 stops.

21 route map and ordered stop list

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

STANWIX ST + PENN FSW CARSON ST + DUQUESNE INCLINEW CARSON ST + GATEWAY VIEW PLAZAW CARSON ST + WEST END BRIDGE STEPS (UNDERPASS)W CARSON + BUSWAY RAMP FSSTANHOPE ST + W CARSON FSSTANHOPE ST + CHARTIERSCHARTIERS AVE + MCKEES ROCKS PLAZA NSISLAND AVE + BOQUETISLAND AVE + JOHN FSISLAND AVE + BRADLEYISLAND AVE + CUTLERISLAND AVE + CHURCHILLISLAND AVE + MCKEES ROCKS BRIDGEISLAND AVE + ADRIANISLAND AVE + MCCOYISLAND AVE + TUNNEL WAYISLAND AVE + #1179ISLAND AVE + #1308ISLAND AVE + FRANKLIN INTERIORSISLAND AVE + ORRISLAND AVE + FLEMINGISLAND AVE + #1470ISLAND AVE + GLENNNEVILLE RD AT #200NEVILLE RD + GULF OIL ENTGRAND AVE + NEVILLEGRAND AVE AT #3000 (HOLDEN CORP)GRAND AVE + NEVILLE RECYCLINGGRAND AVE + TRIAD METALSGRAND AVE + ARMY CORP ENGINEERINGGRAND AVE + PITTSBURGH RECYCLING CENTERGRAND AVE + CALGON CARBONGRAND AVE + FRONTIER STEELGRAND AVE + 2NDGRAND AVE + 4THGRAND AVE + PERSHING FSGRAND AVE AT HUBERT ST (NEVILLE PARK-AND-RIDE)GRAND AVE + IDAHOGRAND AVE + ORCHARDGRAND AVE + GIBSONGRAND AVE + COTTAGEGRAND AVE + MAPLE LANEGRAND AVE + VON STEIN4TH AVE + CORAOPLIS BRIDGE FS4TH AVE + ARCH4TH AVE + CHESTNUT ST4TH AVE + BROADWAY4TH AVE + MULBERRY4TH AVE + MILL4TH AVE + MAIN NS4TH AVE + KENDALL4TH AVE + WATT4TH AVE + LOCUST4TH AVE + THORN4TH AVE OPP THORN RUN RD - THORN RUN PARK AND RIDEHWY RT 51 + VALLEY AMBULANCEBROAD ST AT BANK ST FSBROAD ST + THORNBROAD ST + HILLHILL ST + LOCUSTLOCUST PL + CENTENNIALBROAD ST + BEAVERBROAD ST AT ST JAMES CHURCHBANK ST + WALNUTN ↑
Official route geometry
  1. 1. STANWIX ST + PENN FSID 19514 · Stop code 19514
  2. 2. W CARSON ST + DUQUESNE INCLINEID 2309 · Stop code 2309
  3. 3. W CARSON ST + GATEWAY VIEW PLAZAID 2310 · Stop code 2310
  5. 5. W CARSON + BUSWAY RAMP FSID 22404 · Stop code 2313
  6. 6. STANHOPE ST + W CARSON FSID 2315 · Stop code 2315
  7. 7. STANHOPE ST + CHARTIERSID 2316 · Stop code 2316
  8. 8. CHARTIERS AVE + MCKEES ROCKS PLAZA NSID 20401 · Stop code 20401
  9. 9. ISLAND AVE + BOQUETID 2319 · Stop code 2319
  10. 10. ISLAND AVE + JOHN FSID 2320 · Stop code 2320
  11. 11. ISLAND AVE + BRADLEYID 2321 · Stop code 2321
  12. 12. ISLAND AVE + CUTLERID 2322 · Stop code 2322
  13. 13. ISLAND AVE + CHURCHILLID 18796 · Stop code 18796
  14. 14. ISLAND AVE + MCKEES ROCKS BRIDGEID 2324 · Stop code 2324
  15. 15. ISLAND AVE + ADRIANID 18256 · Stop code 18256
  16. 16. ISLAND AVE + MCCOYID 2326 · Stop code 2326
  17. 17. ISLAND AVE + TUNNEL WAYID 2327 · Stop code 2327
  18. 18. ISLAND AVE + #1179ID 2328 · Stop code 2328
  19. 19. ISLAND AVE + #1308ID 2330 · Stop code 2330
  20. 20. ISLAND AVE + FRANKLIN INTERIORSID 2331 · Stop code 2331
  21. 21. ISLAND AVE + ORRID 18794 · Stop code 18794
  22. 22. ISLAND AVE + FLEMINGID 2333 · Stop code 2333
  23. 23. ISLAND AVE + #1470ID 2334 · Stop code 2334
  24. 24. ISLAND AVE + GLENNID 2335 · Stop code 2335
  25. 25. NEVILLE RD AT #200ID 22683 · Stop code 22559
  26. 26. NEVILLE RD + GULF OIL ENTID 2337 · Stop code 2337
  27. 27. GRAND AVE + NEVILLEID 18797 · Stop code 18797
  28. 28. GRAND AVE AT #3000 (HOLDEN CORP)ID 22647 · Stop code 2340
  29. 29. GRAND AVE + NEVILLE RECYCLINGID 2341 · Stop code 2341
  30. 30. GRAND AVE + TRIAD METALSID 2342 · Stop code 2342
  31. 31. GRAND AVE + ARMY CORP ENGINEERINGID 2343 · Stop code 2343
  33. 33. GRAND AVE + CALGON CARBONID 2345 · Stop code 2345
  34. 34. GRAND AVE + FRONTIER STEELID 22264 · Stop code 22264
  35. 35. GRAND AVE + 2NDID 2347 · Stop code 2347
  36. 36. GRAND AVE + 4THID 2348 · Stop code 2348
  37. 37. GRAND AVE + PERSHING FSID 2349 · Stop code 2349
  39. 39. GRAND AVE + IDAHOID 2352 · Stop code 2352
  40. 40. GRAND AVE + ORCHARDID 2353 · Stop code 2353
  41. 41. GRAND AVE + GIBSONID 2354 · Stop code 2354
  42. 42. GRAND AVE + COTTAGEID 2355 · Stop code 2355
  43. 43. GRAND AVE + MAPLE LANEID 2356 · Stop code 2356
  44. 44. GRAND AVE + VON STEINID 18798 · Stop code 18798
  45. 45. 4TH AVE + CORAOPLIS BRIDGE FSID 2359 · Stop code 2359
  46. 46. 4TH AVE + ARCHID 2360 · Stop code 2360
  47. 47. 4TH AVE + CHESTNUT STID 22337 · Stop code 22337
  48. 48. 4TH AVE + BROADWAYID 2362 · Stop code 2362
  49. 49. 4TH AVE + MULBERRYID 2363 · Stop code 2363
  50. 50. 4TH AVE + MILLID 2364 · Stop code 2364
  51. 51. 4TH AVE + MAIN NSID 2365 · Stop code 2365
  52. 52. 4TH AVE + KENDALLID 2366 · Stop code 2366
  53. 53. 4TH AVE + WATTID 2367 · Stop code 2367
  54. 54. 4TH AVE + LOCUSTID 2368 · Stop code 2368
  55. 55. 4TH AVE + THORNID 2370 · Stop code 2370
  57. 57. HWY RT 51 + VALLEY AMBULANCEID 2372 · Stop code 2372
  58. 58. BROAD ST AT BANK ST FSID 22618 · Stop code 1515
  59. 59. BROAD ST + THORNID 2373 · Stop code 2373
  60. 60. BROAD ST + HILLID 2375 · Stop code 2375
  61. 61. HILL ST + LOCUSTID 2376 · Stop code 2376
  62. 62. LOCUST PL + CENTENNIALID 2377 · Stop code 2377
  63. 63. BROAD ST + BEAVERID 2379 · Stop code 2379
  64. 64. BROAD ST AT ST JAMES CHURCHID 22640 · Stop code 22521
  65. 65. BANK ST + WALNUTID 2191 · Stop code 2191

Published directions and branches

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

OUTBOUND-SEWICKLEY65 stops · 55 trips in the published feed · Pattern 57df2aad0cb1011ea6ef0a9e↗INBOUND-DOWNTOWN57 stops · 54 trips in the published feed · Pattern c06d0352eaad10cb94994b9f↗OUTBOUND-UNIVERSITY BLVD PARK AND RIDE64 stops · 51 trips in the published feed · Pattern 1782eb29da630cc13429c6ca↗INBOUND-DOWNTOWN61 stops · 51 trips in the published feed · Pattern fd117fa2ac4c1e46f5916da3↗INBOUND-SEWICKLEY3 stops · 1 trips in the published feed · Pattern 14b15e7e59ba8b1e9f49eee3↗

Additional stops on other branches

These stop records occur on another published variant of 21. Open a branch above for its ordered map and sequence.

5TH AVE + BROADWAY 2201 ↗5TH AVE + CHESS FS 18788 ↗5TH AVE + CHESTNUT FS 18790 ↗5TH AVE + LOCUST NS 2197 ↗5TH AVE + MAIN 2199 ↗5TH AVE + OFFICE BLDG 2203 ↗5TH AVE + WOOD FS 18789 ↗5TH AVE AT THORN HOLLOW RD FS - THORN RUN PNR 18787 ↗BLVD OF ALLIES + POST GAZETTE BLDG 4572 ↗CHARTIERS AVE OPP MCKEES ROCKS PLAZA 2247 ↗FERREE ST + 4TH 2205 ↗GRAND AVE + #4700 22265 ↗GRAND AVE + 2ND 2216 ↗GRAND AVE + 4TH 2215 ↗GRAND AVE + ARMY CORP ENGINEERING 2220 ↗GRAND AVE + CALGON CARBON 2218 ↗GRAND AVE + COTTAGE 2209 ↗GRAND AVE + GIBSON 2210 ↗GRAND AVE + HUBERT (NEVILLE PNR) 15974 ↗GRAND AVE + MAPLE LANE 2208 ↗GRAND AVE + NEVILLE METALS 15991 ↗GRAND AVE + NEVILLE NS 2226 ↗GRAND AVE + NEVILLE RECYCLING 2222 ↗GRAND AVE + PERSHING 2214 ↗GRAND AVE + PINE 2211 ↗GRAND AVE + PITTSBURGH RECYCLING CENTER 2219 ↗GRAND AVE + TRIAD METALS 2221 ↗GRAND AVE + VON STEIN 2206 ↗GRAND AVE OPP #3000 (HOLDEN CORP) 2224 ↗HWY RT 51 + VALLEY AMBULANCE 2193 ↗ISLAND AVE + #1179 2237 ↗ISLAND AVE + #1308 2235 ↗ISLAND AVE + #1470 2231 ↗ISLAND AVE + ADRIAN 2239 ↗ISLAND AVE + BOQUET 2244 ↗ISLAND AVE + BRADLEY 2242 ↗ISLAND AVE + CHARTIERS NS (MARY) 2245 ↗ISLAND AVE + CUTLER 2241 ↗ISLAND AVE + FLEMING 2232 ↗ISLAND AVE + FRANKLIN INTERIORS 19609 ↗ISLAND AVE + GLENN 2230 ↗ISLAND AVE + MCKEES ROCKS BRIDGE 2240 ↗ISLAND AVE + ORR FS 18793 ↗ISLAND AVE + TUNNEL WAY 2238 ↗NEVILLE RD + GULF OIL ENTRANCE 2228 ↗SEWICKLEY BRIDGE RAMP + KRAMER 2192 ↗STANHOPE ST + CHARTIERS FS (SUNOCO) 18764 ↗STANHOPE ST + W CARSON 2249 ↗STANWIX ST AT FORBES AVE 44 ↗UNIVERSITY BLVD + CARNOT RD 22647 ↗UNIVERSITY BLVD + CARNOT RD 22650 ↗UNIVERSITY BLVD + PATTON DR 22652 ↗UNIVERSITY BLVD + ROBERT MORRIS 22648 ↗UNIVERSITY BLVD + STOOPS FERRY RD 22871 ↗UNIVERSITY BLVD + STOOPS FERRY RD 22870 ↗UNIVERSITY BLVD + TIGER TRAIL 22646 ↗UNIVERSITY BLVD + TIGER TRAIL 22651 ↗UNIVERSITY BLVD AT MOON PLAZA 22649 ↗UNIVERSITY BLVD AT PATTON DR 22645 ↗UNIVERSITY BLVD PARK AND RIDE AT SHELTER 15634 ↗W CARSON ST + CORLISS TUNNEL 22397 ↗W CARSON ST + DUQUESNE INCLINE 2260 ↗W CARSON ST + EARL 2252 ↗W CARSON ST + GATEWAY VIEW PLAZA 2258 ↗W CARSON ST + GLENMAWR 2255 ↗W CARSON ST + SAGINAW 2251 ↗W CARSON ST + TABOR 2250 ↗

More Port Authority of Allegheny County travel information

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Published Port Authority of Allegheny County schedule

Imported Oct 24, 2026 · 04:38 UTC · Service dates 2025-10-19 through 2026-10-24. See data status

Schedule data published by Port Authority of Allegheny County. Feed discovery and cached source archives from MobilityData. Source details ↗