unofficial
updated nightly
How this is measured →
Every train by time of day
Weekday
Every Brunswick Line train, ranked by how reliably it has arrived at
its destination — most reliable first.
1.
Train 880 → Union Station
On time 99% · usually on time
2.
Train 874 → Union Station
On time 97% · usually on time
3.
Train 875 → Martinsburg
On time 96% · usually on time
4.
Train 870 → Union Station
On time 95% · usually on time
5.
Train 872 → Union Station
On time 94% · usually on time
6.
Train 892 → Union Station
On time 93% · usually on time
7.
Train 891 → Frederick
On time 93% · usually on time
8.
Train 879 → Martinsburg
On time 93% · usually on time
9.
Train 881 → Martinsburg
On time 91% · usually on time
10.
Train 890 → Union Station
On time 89% · usually on time
11.
Train 894 → Union Station
On time 87% · usually on time
12.
Train 893 → Frederick
On time 86% · usually on time
13.
Train 895 → Frederick
On time 84% · usually on time
14.
Train 883 → Brunswick
On time 84% · usually on time
15.
Train 831 → Brunswick
On time 81% · usually on time
16.
Train 871 → Brunswick
On time 80% · usually on time
17.
Train 873 → Brunswick
On time 79% · usually on time
18.
Train 878 → Union Station
On time 61% · usually on time
19.
Train 830 → Camden Station
On time 57% · usually on time
Where delay builds
Typical delay along the route, across all recent weekdays.
Toward Washington · from Martinsburg
20m +7 Martinsburg usually on time Duffields usually on time Harpers Ferry usually on time Brunswick usually on time Point of Rocks usually on time Dickerson usually 2 min late Barnesville usually 3 min late Boyds usually 2 min late Germantown usually 3 min late Metropolitan Grove usually 4 min late Gaithersburg usually 5 min late Washington Grove usually 6 min late Rockville usually 5 min late Garrett Park usually 7 min late Kensington usually 7 min late Silver Spring usually 6 min late Union Station usually on time Martinsburg Union Station Toward Washington · from Frederick
20m +7 Frederick usually on time Monocacy usually on time Dickerson usually 2 min late Barnesville usually 3 min late Boyds usually 2 min late Germantown usually 3 min late Metropolitan Grove usually 4 min late Gaithersburg usually 5 min late Washington Grove usually 6 min late Rockville usually 5 min late Garrett Park usually 7 min late Kensington usually 7 min late Silver Spring usually 6 min late Union Station usually on time Frederick Union Station Away from Washington · to Martinsburg
20m +6 Union Station usually on time Silver Spring usually on time Kensington usually on time Garrett Park usually on time Rockville usually on time Washington Grove usually on time Gaithersburg usually on time Metropolitan Grove usually on time Germantown usually on time Boyds usually 3 min late Barnesville usually 3 min late Dickerson usually 3 min late Point of Rocks usually 3 min late Brunswick usually on time Harpers Ferry usually 5 min late Duffields usually 6 min late Martinsburg usually on time Union Station Martinsburg Away from Washington · to Frederick
20m +3 Union Station usually on time Silver Spring usually on time Kensington usually on time Garrett Park usually on time Rockville usually on time Washington Grove usually on time Gaithersburg usually on time Metropolitan Grove usually on time Germantown usually on time Boyds usually 3 min late Barnesville usually 3 min late Dickerson usually 3 min late Monocacy usually on time Frederick usually on time Union Station Frederick
Where trains slow down
Typical speed between stations over the past 60 days. The line breaks at each station, so a dip in the middle of a stretch is a place trains usually slow down.
Toward Washington · from Martinsburg
100 mph 50 0 Martinsburg to Duffields usually up to about 64 mph Duffields to Harpers Ferry usually up to about 58 mph Harpers Ferry to Brunswick usually up to about 58 mph Brunswick to Point of Rocks usually up to about 59 mph Point of Rocks to Dickerson usually up to about 69 mph Dickerson to Barnesville usually up to about 41 mph Barnesville to Boyds usually up to about 69 mph Boyds to Germantown usually up to about 53 mph Germantown to Metropolitan Grove usually up to about 54 mph Metropolitan Grove to Gaithersburg usually up to about 58 mph Gaithersburg to Washington Grove usually up to about 40 mph Washington Grove to Rockville usually up to about 75 mph Rockville to Garrett Park usually up to about 77 mph Garrett Park to Kensington usually up to about 50 mph Kensington to Silver Spring usually up to about 60 mph Silver Spring to Union Station usually up to about 59 mph Martinsburg Union Station Toward Washington · from Frederick
100 mph 50 0 Frederick to Monocacy usually up to about 30 mph Monocacy to Dickerson usually up to about 69 mph Dickerson to Barnesville usually up to about 41 mph Barnesville to Boyds usually up to about 69 mph Boyds to Germantown usually up to about 53 mph Germantown to Metropolitan Grove usually up to about 54 mph Metropolitan Grove to Gaithersburg usually up to about 58 mph Gaithersburg to Washington Grove usually up to about 40 mph Washington Grove to Rockville usually up to about 75 mph Rockville to Garrett Park usually up to about 77 mph Garrett Park to Kensington usually up to about 50 mph Kensington to Silver Spring usually up to about 60 mph Silver Spring to Union Station usually up to about 59 mph Frederick Union Station
Slower than usual yesterday (Tue, Nov 10):
Barnesville to Boyds: about 39 mph through the middle, against a usual 64 (all 8 trains measured).
Trackside's reading of train positions through the middle of each stretch, compared with trains making the same stops on recent days. The dashed line on the chart marks it.
Away from Washington · to Martinsburg
100 mph 50 0 Union Station to Silver Spring usually up to about 60 mph Silver Spring to Kensington usually up to about 57 mph Kensington to Garrett Park usually up to about 61 mph Garrett Park to Rockville usually up to about 73 mph Rockville to Washington Grove usually up to about 74 mph Washington Grove to Gaithersburg usually up to about 41 mph Gaithersburg to Metropolitan Grove usually up to about 63 mph Metropolitan Grove to Germantown usually up to about 64 mph Germantown to Boyds usually up to about 74 mph Boyds to Barnesville usually up to about 69 mph Barnesville to Dickerson usually up to about 68 mph Dickerson to Point of Rocks usually up to about 70 mph Point of Rocks to Brunswick usually up to about 60 mph Brunswick to Harpers Ferry usually up to about 58 mph Harpers Ferry to Duffields usually up to about 60 mph Duffields to Martinsburg usually up to about 64 mph Union Station Martinsburg Away from Washington · to Frederick
100 mph 50 0 Union Station to Silver Spring usually up to about 60 mph Silver Spring to Kensington usually up to about 57 mph Kensington to Garrett Park usually up to about 61 mph Garrett Park to Rockville usually up to about 73 mph Rockville to Washington Grove usually up to about 74 mph Washington Grove to Gaithersburg usually up to about 41 mph Gaithersburg to Metropolitan Grove usually up to about 63 mph Metropolitan Grove to Germantown usually up to about 64 mph Germantown to Boyds usually up to about 74 mph Boyds to Barnesville usually up to about 69 mph Barnesville to Dickerson usually up to about 68 mph Dickerson to Monocacy usually up to about 69 mph Monocacy to Frederick usually up to about 30 mph Union Station Frederick Yesterday (Tue, Nov 10), no stretch we could check ran well below its usual speed.
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Trackside is an independent project — not affiliated with or endorsed by MARC, the Maryland Transit Administration, Amtrak, CSX, or Alstom.
Trackside