SAN JOSE (CBS SF) — The San Jose Fire Department dispatched several units to a vault fire alongside northbound Highway 101 at Tully Road Thursday evening, according to authorities.

The official San Jose Fire Department Twitter account posted about the fire shortly before 6 p.m.

Fire officials said the westbound Tully Road on-ramp to north Highway 101 was closed until further notice.

The fire department said it has requested assistance from Caltrans and PG&E for assistance in determining the path of the underground travel ways and securing the source of any utility lines.