ALERT: Blue Line trains will be delayed due to an issue on train 407 between Rosslyn and Arlington Cemetery.
#wmata
ALERT: Blue Line train service is running between Franconia-Springfield and Mt. Vernon Sq *ONLY*.

There is no Blue Line service north of Pentagon at this time towards Largo. #wmata
BL/407:
* At this point, no reported injuries or issues onboard the train; no headcount yet
* BL running Franconia to Mt. Vernon Sq only
* The train op, railcar maintenance, and a rail supervisor are on the train
* Details TK
#wmata
BL/407:
* With FD assistance, #wmata is currently planning to evacuate passengers from the down train to Arlington Cemetery (~2000 feet)
* About 125 pax are reported onboard the train
* BL service suspended Foggy Bottom to Pentagon
* Delays to OR/SV
#wmata
BL riders: do not try to take the Blue Line past Foggy Bottom towards Franconia. Transfer at L'Enfant, you can catch a Blue Line train on the upper level towards Franconia. #wmata
BL/407:

* Train operator reported a brake pressure issue at about 4:55p

* Supervisor boarded the train & confirmed 1 set of wheels of car 7200 off the rails at ~5:25p

* BL running Largo<->Foggy Bottom and Franconia<->Mt Vernon Sq

* OR/SB/YL/GR delays
#wmata
It rained. It poured. #wmata Image
For a slight bit of context: each 8-car 7000-series train has 4 axles (32 total). 1-2 axles are reported to be off the tracks.
#wmata delays continue for *checks notes* all lines
6pm #wmata update:

* RD delay, track circuit problem @ Brentwood Yard
* YL/GR bypassing Georgia Ave & Columbia Heights; police investigation
* BL running Franconia<>Mt. Vernon & Foggy Bottom<>Largo; derailed train near Arlington Cemetery
* FD facilitating pax evac; no injuries Image
6:15pm update:

No real change. All statements remain true. #wmata ERT personnel are inspecting the tracks around the BL/407 derailment, and other personnel working w/ACFD to evacuate pax to Arlington Cemetery station.

6:20pm: #wmata and ACFD personnel began the evacuation of passengers from BL407 train to Arlington Cemetery.
6:30pm #wmata update:

* YL/GR continue bypassing Georgia Ave & Columbia Heights
* Pax from BL/407 derailed train being offloaded, walking to Arlington Cemetery
* Delays on OR/SV/YL/GR/BL
* BL running Largo<>Foggy Bottom and Mt. Vernon Sq<>Franconia Image
As pointed out to me, these pax shouldn't be sitting in the dark. Part of the @MetrorailSafety investigation will likely cover response to the derailment and if this caused issues w/making announcements to pax, impacted emergency intercom/CCTV, etc. #wmata
Rare photo/usage of a #wmata Emergency Tunnel Evacuation Cart during the BL/407 derailment passenger evacuation.
7pm #wmata update:

* BL running Largo<>Foggy Bottom, Mt. Vernon Sq<>Franconia. Transfer @ L'Enfant
* BL/407 being evacuated to Arlington Cemetery. Pax began reaching station platform @ 6:45pm
* YL/GR bypassing Columbia Heights, Georgia Ave; police investigation Image
7:30 pm #wmata update:

* BL running Largo<>Foggy Bottom, Mt. Vernon<>Franconia. Transfer @ L'Enfant
* GR/YL bypassing Columbia Heights, Georgia Ave; police investigation
* BL/407 derailment outside Arlington Cemetery continues
* All pax have left the train twd platform Image
Blue Line riders: Check @Metrorailinfo or your MetroAlerts before heading out tomorrow morning. At this point w/damage from the derailment unknown, it's possible that service tomorrow could still be interrupted.
#wmata crews have a number of recovery steps ahead of them tonight.
#wmata has mobilized a prime mover track unit to respond to the BL407 derailment location to rerail the car that may be off the tracks and to ensure the train can be moved to a rail yard.
NEW: the NTSB says they'll send two investigators to tonight's #wmata Blue Line derailment
Blue Line riders, remember: trains run only between Franconia-Springfield and Mt. Vernon Square today. Transfer @ L'Enfant to Orange/Silver service towards Virginia or Maryland.

Orange/Silver line trains run regular service.

Bus shuttles, Rosslyn<>Pentagon
#wmata
There appears to have been an expansion of the derailment/restoration area overnight, which led to this single-tracking.

Orange/Silver line trains are using the inbound/upper platform @ Rosslyn.
#wmata
6am:
Orange/Silver line trains are single-tracking via the inbound track @ Foggy Bottom, Rosslyn, Court House, due to a work zone set up around last night's derailment. Delays to both lines.
#wmata Image
#wmata press release updated to reflect single-tracking: Image
Orange/Silver line single-tracking @ Rosslyn is to allow #wmata track + equipment inspection crews access to the outbound switches just west of the lower-level platform. No ETA how long that's going to take. The derailed train has not yet been moved.

Pretty standard post-incident stuff here. #wmata
Orange and Silver Line trains are running about every 25 minutes due to single-tracking between Clarendon and Foggy Bottom.

Blue line trains are running Franconia to Mt. Vernon Square.
#wmata Image
8am:

Orange/Silver/Blue service has slightly improved; the three lines are running about every 20 minutes, half the usual for rush hour.

Expect delays through the rest of today while the NTSB-led investigation of yesterday's derailment continues.
#wmata ImageImageImage
This publicly-accessible audio is a key source of info for this author's still-ongoing thread covering yesterday's derailment. Unlike MTPD radio, which was recently encrypted and now no longer public, we are able to hear how #wmata bus + rail operate.

3pm:

Delays continue on the Orange and Silver lines due to single-tracking between Foggy Bottom and Clarendon. Trains are about half as often as they usually would be.

Blue line trains are running between Franconia and Mt. Vernon Sq.
#wmata ImageImageImage
4pm:

Orange/Silver line trains are running at about 1/3 normal rush-period frequencies.

Blue are running only between Franconia and Mt. Vernon Sq due to yesterday's derailment.

Delays on all 3 lines through evening close are expected. #wmata Image
This appears to be 3 of the 8 cars of the derailed Blue Line train, which would leave 5 more still in the tunnel.

Interestingly, that would mean that #wmata separated a pair of railcars meant to semi-permanently stay together with a drawbar inbetween.

(Why would #wmata do this? The likely answer is that this provides better access for personnel inspecting, investigating, and re-railing the derailed car by removing the unaffected cars)

5pm update:

It's no better than before. Orange/Silver line trains running every ~30 minutes. Blue Line trains run only between Franconia & Mt. Vernon Sq. Delays will continue through system close. #wmata Image
Indeed, my afternoon commute home, which on average takes 34 minutes during the afternoon, took 48 minutes today (14 minutes above average) from tap in to tap out. #wmata

#wmata appears to have offloaded SV/Largo train 608 at Virginia Square, leading to some station crowding.

The non-revenue train behind it (776) is going in service at Virginia Square to take its place, but delayed behind the offloaded train ahead of it. Image
#wmata has crossed the train offloaded earlier @ Virginia Square over to the outbound track (presumably to head back to West Falls Church railyard). The trains behind should be able to move in a few minutes, barring no other issues. Image

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More from @MetroReasons

6 Oct
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#wmata
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Principals:
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Alternate:
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Read 14 tweets
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Red Line delays due to a signal problem near Silver Spring. Trains in both directions will experience delays.
#wmata
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#wmata
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