A brush fire burning along Interstate 805 at H Street caused traffic backup in the area.
The fire broke out at around 3:30 p.m. and burned around two acres, according to the Chula Vista Fire Department. Forward rate of spread was stopped at around 4:30 p.m.
Westbound lanes of H Street, including the onramp to northbound I-805, are expected to be closed for a couple of hours, according to CVFD.
A cause has not been determined, and no injuries were reported.
Get San Diego local news, weather forecasts, sports and lifestyle stories to your inbox. Sign up for NBC San Diego newsletters.
Crews from the San Diego, National City and San Miguel fire departments are also at the scene.
No other information was available.