Bus 850 - PR Frederick/Dunkirk - Suitland/Dc in Washington: Stops & Timetable

A bus service operated by Maryland Transit Administration

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List of stops

Number of stops: 15

Map

Monday to Friday

Prince Frederick P&R (Fairground & Armory Rd) – N Capitol ST & H ST nb

Prince Frederick P&R (Fairground & Armory Rd)	04:30	05:30	06:30
Dunkirk P&R MD 525 near Md4	04:50p	05:50p	06:50p
Wayson'S Corner MD 4 Near MD 408	05:01p	06:01p	07:01p
Suitland Federal CTR at Gate 7	05:25s	06:25s	07:25s
Suitland Metro Station	05:26	06:26	07:26
11th ST & O ST SE (Washington Navy Yard)	05:46s	06:47s	07:58s
M ST & 10th ST SE (Washington Navy Yard)	05:49s	06:50s	08:01s
M ST & Isaac Hull AVE SE opp wb	05:50s	06:51s	08:02s
M ST & 4TH ST SE wb	05:51s	06:52s	08:03s
M ST & NEW Jersey AVE SE (Navy Yard)	05:52s	06:53s	08:04s
M ST & Half ST Sw	05:53s	06:54s	08:05s
M ST & 4TH ST SW wb	05:54s	06:55s	08:06s
4TH ST & E ST SW nb	05:55s	06:56s	08:07s
4TH ST & C ST SW nb	05:56s	06:57s	08:08s
Constitution AVE & 3RD ST NW eb	05:59s	07:00s	08:11s
Louisiana AVE & D ST NW (Union Station Plaza) nb	06:02s	07:03s	08:14s
N Capitol ST & E ST nb	06:03s	07:04s	08:15s
N Capitol ST & H ST nb	06:05	07:06	08:17

Times marked s – "set down only" – the vehicle will only stop to drop passengers off.

Times marked p – "pick up only" – the vehicle will only stop to pick up passengers.

N Capitol ST & H ST NW sb – Prince Frederick P&R (Fairground & Armory Rd)

N Capitol ST & H ST NW sb	15:00	16:00	17:00
Massachusetts AVE & Columbus CIR NE eb	15:02p	16:02p	17:02p
Louisiana AVE & D ST NW (IBT Headquarters) sb	15:04p	16:04p	17:04p
3RD ST & Constitution AVE NW fs sb	15:07p	16:07p	17:07p
4TH ST & C ST SW sb	15:10p	16:10p	17:10p
4TH ST & E ST SW sb	15:11p	16:11p	17:11p
M ST & 4TH ST SW eb	15:16p	16:16p	17:16p
M ST & Half ST SW eb	15:17p	16:17p	17:17p
M ST & 1st ST SE (Navy Yard) sb	15:19p	16:19p	17:19p
M ST & 4th ST SE (Southeast Federal Center) eb	15:20p	16:20p	17:20p
M ST & Isaac Hull AVE SE eb	15:21p	16:21p	17:21p
M ST & 9TH ST SE eb	15:22p	16:22p	17:22p
Suitland Federal CTR at Gate 7	15:40s	16:43s	17:46s
Suitland Metro Station	15:42	16:45	17:48
Wayson'S Corner MD 4 Near MD 408	16:06s	17:09s	18:12s
Dunkirk P&R MD 525 near Md4	16:17s	17:21s	18:25s
Prince Frederick P&R (Fairground & Armory Rd)	16:35	17:40	18:45

Times marked s – "set down only" – the vehicle will only stop to drop passengers off.

Times marked p – "pick up only" – the vehicle will only stop to pick up passengers.

Times marked s – "set down only" – the vehicle will only stop to drop passengers off.

Times marked p – "pick up only" – the vehicle will only stop to pick up passengers.

Last updated on March 21, 2026

Route Path (Streets & Roads)

Outbound: Prince Frederick P&R (Fairground & Armory Rd) – N Capitol ST & H ST nb

Silverwood Lane - Gateway Drive - Southern Maryland Boulevard - Plaza - 11th Street Southeast - M Street Southeast - Isaac Hull Avenue Southeast - M Street Southeast - M Street Southwest - 4th Street Southwest - Constitution Avenue Northwest - Louisiana Avenue Northwest - North Capitol Street Northeast

Inbound: N Capitol ST & H ST NW sb – Prince Frederick P&R (Fairground & Armory Rd)

North Capitol Street Northwest - Massachusetts Avenue Northeast - Louisiana Avenue Northwest - Pennsylvania Avenue Northwest - 4th Street Southwest - M Street Southwest - 1st Street Southeast - M Street Southeast - Plaza - Southern Maryland Boulevard - Gateway Drive - Silverwood Lane

All data is available in GTFS feed: mtamaryland-commuterbus