A wrong-way driver caused a rollover on Highway 151 and Loop 1604 that sent a woman to University Hospital late Monday night.
San Antonio police received several calls about the wrong-way driver on the westbound lanes of Highway 151 around 10 p.m.
San Antonio police said a woman headed the correct direction tried to avoid the wrong-way driver, but lost control of her car, went across the median and rolled over.
She was taken to University Hospital in critical condition. San Antonio police said the suspected wrong-way driver was stopped by officers at Loop 1604 and Highway 151 a short time later.
He was expected to be charged with intoxication assault, San Antonio police said.