CBS Sky2 shot of freeway crash site posted on Twitter.

A California Highway Patrol sergeant who collided with a raised concrete median on the 405 Freeway was is in stable condition after being taken to the hospital, a spokesman said Saturday.

The 50-year-old sergeant was responding to a traffic collision when he crashed. He was on a 2016 Harley-Davidson patrol motorcycle heading southbound a little after 10:40 p.m on Friday when he veered toward the Lakewood Boulevard exit, hit the median and was thrown from his motorcycle, the CHP said.

After the crash, the CHP sergeant was air-lifted to Long Beach Memorial Medical Center.

According to City News Service, all lanes of the southbound 405 were closed at Cherry Avenue until after 2 a.m.

The identity of the CHP sergeant has not been released and the crash is currently under investigation.