WEST FARMS, The Bronx (PIX11) — An MTA bus driver is in serious condition Thursday after she suffered cardiac arrest, and then crashed her bus into an elevated train column.

The driver, 44, was operating a BX21 bus when she veered into the column that holds up the tracks for the 2 and 5 trains, near the West Farms Square / East Tremont station on Boston Road.

The crash happened at around 8:20 a.m. The driver, who has a good driving record, was not speeding, according to officials.

Anthony Lang, who lives in the building that faces the elevated tracks, said that everything seemed normal, until it wasn’t.

“All of a sudden, I hear a bang,” he said, “and I turned around and walked back and her head was inside the steering wheel.”

At a late morning news conference, New York City Transit President Richard Davey elaborated on the driver’s health.

“She’s in serious condition,” he said. “She’s with her family at the hospital.”

“Her sister is also a bus driver,” he continued, adding that the transit agency took the sister off of her route. “We sent her to the hospital,” Davey said.

A dozen passengers were on the bus at the time of the crash, according to FDNY EMS Chief Evan Suchecki.

They suffered injuries from the impact, he said. “Bumps, bruises, nothing critical,” said the chief.

Two passengers were transported to the hospital, according to the FDNY.

Davey said that bus drivers undergo physicals every two years and check in with a supervisor daily about their health.

Officials indicated that the bus driver is expected to recover.