SAN ANTONIO -

Police are investigating a wild rollover wreck that left the driver in critical condition.

That crash happened Saturday around 2 a.m. near I-37 South at I-10 East.

According to police, the driver of a truck was speeding south on 37 when he lost control.

They say the man's truck then hit a guardrail, spun sideways and hit a light pole before flipping over three times into the grass.

The impact ejected the man from the truck.

EMS transported him to SAMCC in critical condition.