Man dies in country Victoria shed crash

A Melbourne man is dead after his car crashed into a shed and caught fire.

The man had been behind the wheel of the vehicle when he and the woman he was travelling with decided to pull over and swap roles near Geelong this afternoon.

But before she could get into the driver's seat, the car took off, careered down a driveway and crashed into the shed.

The shed caught fire on impact and the man died at the scene.

Police are investigating whether a medical condition contributed to the death.

The woman was taken to hospital with minor injuries after trying to rescue the man.

A motorcyclist was also killed in a head-on collision with a four-wheel drive at Baringhup West this morning.

He died at the scene.

An 84-year-old Narrawong man driving the 4WD was not injured and is assisting police with their inquiries.