21

Allegheny County / Bus

Port Authority of Allegheny County 21 live tracking and departures

CORAOPOLIS · America/New_York

Selected branch: OUTBOUND-SEWICKLEY · 65 stops.

21 live vehicle tracking

Live predictions available. 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.

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 · 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 STANWIX ST + PENN FS

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No upcoming departures

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Live predictions available · Live predictions and published schedule fallbacks are labeled on each departure.

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 ↗