A motorcyclist was seriously injured in a crash on the Gardiner Expressway Tuesday evening.

Toronto police say the collision happened shortly after 8 p.m. on the eastbound Gardiner ramp to the northbound Don Valley Parkway.

Toronto paramedics transported the rider to hospital with serious but non-life-threatening injuries.

The eastbound Gardiner remains closed in the area as police investigate, with significant delays expected for drivers.