MATOC Alerts (@MATOC) header
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This is the Official X/Twitter feed for the Metropolitan Area Transportation Operations Coordination (MATOC) Program. Follow us Monday-Friday, 4:30am-8:00pm.

National Capital Region (NCR)
Joined April 2009
FINAL: Multi-Vehicle Crash. I-495 SB (Outer Loop) at VA-236 (Exit 52). Fairfax County, VA. All travel lanes have been reopened. Remaining delays are approximately 4 miles.
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FINAL: Crash. I-495 NB (Inner Loop) before VA-620 (Exit 54/Braddock Road). Fairfax County, VA. All travel lanes have reopened. Remaining delays extend to I-95 NB and I-395 SB.
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Multi-Vehicle Crash. I-495 SB (Outer Loop) at VA-236 (Exit 52). Fairfax County, VA. 3 left lanes are blocked, 1 right lane gets by. The Express Lanes are not impacted. Delays are approximately 3 miles.
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FINAL: Utility Problem. MD-390 SB (16th Street) at Lytonsville Road. Montgomery County, MD. All travel lanes have been reopened.
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Crash. I-495 NB (Inner Loop) before VA-620 (Exit 54/Braddock Road). Fairfax County, VA. All lanes of the General Purpose Lanes are blocked. The Express Lanes are open. Delays are approximately 2 miles.
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FINAL: Multi-Vehicle Crash. I-270 SB past MD-121 (Exit 18/Clarksburg Road). Montgomery County, MD. All travel lanes have reopened. Remaining delays are approximately 5 miles.
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UPDATE: Multi-Vehicle Crash. I-270 SB past MD-121 (Exit 18/Clarksburg Road). Montgomery County, MD. 1 left lane remains blocked, 2 right lanes get by. Delays are approximately 5 miles.
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FINAL: Multi-Vehicle Crash. I-270 NB before Montrose Road (Exit 4). Montgomery County, MD. All travel lanes have reopened. Remaining delays extend to the Inner Loop and into Virginia.
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Utility Problem. MD-390 SB (16th Street) at Lytonsville Road. Montgomery County, MD. All SB lanes are blocked. Follow authority direction.
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FINAL: Multi-Vehicle Crash w/ Injury. VA-7 WB (E Market Street) at Battlefield Parkway. Loudoun County, VA. All travel lanes have been reopened. Remaining delays are approximately 2.5 miles.
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Multi-Vehicle Crash. I-270 NB before Montrose Road (Exit 4). Montgomery County, MD. 2 left lanes are blocked, 4 right lanes get by. Delays are approximately 2 miles. Delays could extend to the Capital Beltway approaching I-270.
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Crash. I-270 SB past MD-121 (Exit 18/Clarksburg Road). Montgomery County, MD. 2 SB lanes are blocked, 1 right lane gets by. Response blocks NB left shoulder. SB delays are 3 miles, NB delays are 3 miles.
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Multi-Vehicle Crash w/ Injury. VA-7 WB (E Market Street) at Battlefield Parkway. Loudoun County, VA. All WB lanes are blocked, traffic is diverted around the incident scene using the exit to Battlefield Parkway. Delays are approximately 2.5 miles.
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FINAL: Crash. MD-410 EB/WB at Jones Mill Road. Montgomery County, MD. All travel lanes have been reopened. Delays are dissipating.
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UPDATE: Crash. MD-410 EB/WB at Jones Mill Road. Montgomery County, MD. 1 left lane is blocked in each direction, 1 right lane gets by. Minor delays are reported.
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Crash. MD-410 EB/WB at Jones Mill Road. Montgomery County, MD. All EB lanes are blocked; 1 WB left lane is blocked with 1 right lane open. Expect delays in the area.
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FINAL: Multi-Vehicle Crash. I-395 NB past D Street (Exit 9), SW. Washington, DC. The incident has cleared, and all travel lanes are reopened. Remaining delays are dissipating.
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UPDATE: Multi-Vehicle Crash. I-395 NB past D Street (Exit 9), SW. Washington, DC. 2 right travel lanes remain blocked. 2 left lanes open. Delays remain appx 1 mile.
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Multi-Vehicle Crash. I-395 NB past D Street (Exit 9), SW. Washington, DC. Three left travel lanes are reported blocked in the 3rd Street Tunnel. Traffic gets by the scene using one right lane. Delays begin before the 14th Street Bridge and extend on I-695 WB.
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FINAL: Police Activity. Minnesota Avenue NB/SB between Dix Street and Grant Street, NE. Washington, DC. The incident has cleared, and all travel lanes are reopened. Remaining delays are dissipating.
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