Alert Montgomery has sent out a Severe Traffic Alert at 9:13am: “Traffic incident closes all lanes on the Outer Loop of I-495 at Old Georgetown Road (MD-187) Expect significant delays. Seek alternate route.”
According to MCFRS Chief Spokesperson Pete Piringer, a vehicle fire was extinguished but debris remain in the roadway and there are slick road conditions.
The cargo/barrels, approximately 15-20 of them, contain powdered tungsten metal. Hazmat is on the scene assisting MCFRS and MCPD. Photos courtesy of MCFRS.

(620a) OL I495 beltway IAO Bradley Boulevard, vehicle fire, tractor trailer, between Old Georgetown Rd (I270 Spur) & River Road, @mcfrs PE720, PE726, AT751, W730, PE710, BC702, SA700, HM707 on scene, debris in roadway, some lane blocked
— Pete Piringer (@mcfrsPIO) June 30, 2024