Brisbane man in hospital after Hillcrest accident on Saturday night

A motorcycle rider is in a critical condition after an accident in Hillcrest on Saturday night.

The Brisbane man is in Princess Alexandra Hospital after the accident.

The man, in his 40s, was riding his Harley Davidson at 8.15pm on Johnson Road when he hit a median strip. He lost control and struck a sign post.

Forensic Crash Unit officers are investigating the accident.