Update: All lanes of southbound I-270 prior to MD-121 (Clarksburg Rd) have reopened. Expect residual delays.
All southbound lanes of I-270 are shut down between Exit 22 and Exit 18 following a collision Tuesday afternoon, according to Montgomery County Police.
As of 1:26 p.m., the number of vehicles involved and whether any injuries have been reported remain unknown.
Drivers are advised to seek alternate routes and expect significant delays in the area.
TRAFFIC ADVISORY – I-270 SB is shut down between exits 22 & 18 following a collision.
No word on the number of vehicles involved or reported injuries.
Drivers are advised to take an alternate route and expect significant delays.#MCPD #MCPNews #RoadClosure https://t.co/fwrY8sf54p
— Montgomery County Department of Police (@mcpnews) October 13, 2026
