SAN LEANDRO (CBS SF) — The driver of a tanker truck died when his truck carrying used motor oil crashed and caught fire Wednesday morning on a San Leandro off-ramp from northbound Interstate Highway 880, California Highway Patrol officials said.

The crash of the three-axle truck was first reported at 3:59 a.m. and trapped the driver inside, where he died instantly, according to the CHP.

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The cause of the crash is still being investigated, Officer Kevin Bartlett said.

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The Highway 880 Davis Street on- and off-ramps were still closed late Wednesday morning but all lanes of the highway have reopened.

The identity of the driver has not yet been released.

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