A large sinkhole on Interstate 270 is expected to cause traffic delays in Montgomery County. Transportation officials said it will take days to fix it.

       They said the 25-foot wide sinkhole is on the southbound side of the highway near Interstate 370 in the Gaithersburg area. Early Thursday morning, two lanes of the highway were open and two were closed, officials said.

       Wp Get the full experience.Choose your plan ArrowRight

       Emergency Roadwork. I-270 SB before I-370 (Ex 9). Montgomery County, MD. 2 left lanes open, 2 right lanes blocked. A large sinkhole blocks the right lane. Expect closure to last for a couple of days. No delays at this time.

       — MATOC Alerts (@MATOC) June 16, 2022

       The cause of the sinkhole was not immediately clear.

       On Twitter, Montgomery County police said road crews are on the scene and that it could take “until at least Monday” for the repairs to be done.

       TRAFFIC ADVISORY: Major road damage has the right shoulder and two outside lanes of SB 270 shut down, before 370 until at least Monday, June 20. Road crews working to repair 25 foot wide hole. Drivers should seek alternate routes and expect delays. #Roadclosure #MCPD #MCPNews pic.twitter.com/222Vgh7gyR

       — Montgomery County Department of Police (@mcpnews) June 15, 2022