A 34-year-old Mississauga woman is in critical condition after a motorcycle crash in rural Halton Hills on Sunday morning, say police.

Shortly after 8 a.m., the woman was riding her motorcycle eastbound on 15 Side Rd. near Fourth Line when she lost control along a curve and crashed into a ditch, said Halton Regional Police in a news release.

The crash was witnessed by two of the woman’s friends who were riding their motorcycles behind her.

The 34-year-old was taken to Georgetown District Hospital, where she was airlifted by ORNGE to Hamilton General Hospital.

She was listed in critical condition with internal injuries, police said.

Police said the Collision Reconstruction unit of Traffic Services is investigating.

The road was closed for several hours while investigators completed their scene analysis.