Lanes were blocked Thursday afternoon on northbound Interstate 270 in Frederick County, Maryland, after an accident involving a jackknifed tractor-trailer. Maryland’s State Highway Administration advised drivers to use Md. Route 355 as an alternate route. Just before 1 p.m., there was about four miles of traffic after Md. Route 121 (Exit 18/Clarksburg Road). All the lanes reopened at about 2:30 p.m.

ALERT – Frederick Co. – Jackknifed tractor trailer closes NB I-270 near Dr. Perry Road. Use MD 355 as alternate. #mdotnews #mdtraffic cg

— MD State Highway Adm (@MDSHA) October 31, 2019

Tractor Trailer Crash. I-270 NB before MD-80 (Exit 26/Fingerboard Road). Frederick County, MD. All travel lanes are blocked. Delays start after MD-121 (Exit 18/Clarksburg Road), approximately 4 miles.

— MATOC Alerts (@MATOC) October 31, 2019

Traffic Advisory – NB I-270 bear Rt121, some lanes blocked https://t.co/4OFZgrDX0L

— Pete Piringer (@mcfrsPIO) October 31, 2019

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