Crews were responding to a grass fire between Parkmoor Avenue and I-280 in San Jose on Thursday afternoon.
Officials said the fire is approximately one acre and the spreading has been stopped.
Around 3:30 p.m., the on-ramps from I-280 northbound to CA-17 southbound and I-880 northbound are currently shut down. The right two lanes of CA-17 southbound between I-280 and Hamilton Avenue were also shut down. Drivers were asked to seek alternate routes.
As of 5:30 p.m., the scene appears to have been cleared up.
No structures are threatened by the fire, SJPD said. No injuries have been reported.