MARC delays lengthen

9:15 A.M. UPDATE: Delays due to the freight congestion are now running up to 40 minutes. Are you stuck on a train? Post a comment below or send an e-mail to transportation@washpost.com.

8:30 A.M. UPDATE:
Brunswick Line train 894 is running 15 minutes late as it approaches Gaithersburg due to a signal problem.

8:15 A.M. UPDATE
More on the freight train congestion slowing the Camden Line: It's caused by a broken rail near Riverdale, according to the Maryland Transit Administration. MARC trains are delayed in both directions anywhere from 15 to 30 minutes.

7:55 A.M. UPDATE:
MARC Camden Line trains are delayed 10 to 20 minutes due to the freight train congestion.

7:45 A.M. UPDATE:
MARC Brunswick Line train 876 is running 15 minutes late as it approaches Gaithersburg, due to signal problems.

ORIGINAL POST:
Riders of MARC's Camden Line can expect some delays this morning. Heavy freight train congestion is causing delays of 10 to 15 minutes between Washington and the Savage station, according to the Maryland Transit Administration.