 This WFMD MTA update, a service of transit. Transit services of Frederick County. Good morning from the MTA. Train 892 is on the move out of Frederick Mark and expected on time into the Monocacy Mark station at 612. Train 892 will be in Dickerson at 641 and scheduled to arrive Union Station DC at 756. Train 894 will leave Frederick Mark at 710 and then Monocacy 717.