One person has died following a single-vehicle collision on a Highway 427 off-ramp overnight.
It happened at around 2:45 a.m. on the off-ramp from the northbound lanes of the highway to Rathburn Road.
Ontario Provincial Police said the male rider of the motorcycle was transported to hospital, where he was pronounced dead.
No other vehicles were involved.
The ramp to Rathburn Road is expected to remain closed for several hours as police investigate the fatal collision.