REDMOND, Ore. -

A Scappoose man was seriously injured Wednesday morning when his motorcycle collided with a station wagon turning left on Highway 97 about two miles north of Redmond, Oregon State Police said.

OSP troopers investigated the crash and cited the vehicle's driver.

According to Senior Trooper Joey Pollard, around 11:45 a.m., a 1998 Subaru Legacy station wagon driven by Denise Boyer, 57, of Terrebonne, was northbound on Highway 97 near milepost 116 when it turned left toward Galloway Avenue.

It moved into the path of a southbound 2009 Suzuki motorcycle, which crashed into the right rear side of the Subaru, Pollard said.

The motorcycle operator, Gregory T. Forsythe, 57, of Scappoose, was thrown from the motorcycle and seriously injured.

An off-duty doctor stopped at the scene and rendered aid until medics arrived, troopers said.

Forsythe was taken by ambulance to St. Charles Medical Center-Redmond, where a nursing supervisor said he was in serious condition Wednesday evening.

Boyer, who was not hurt, was cited by OSP for making a dangerous left turn.

OSP troopers from the Bend Area Command office responded to investigate. Redmond Fire & Rescue and ODOT assisted at the scene.

The highway was blocked about 15 minutes before being opened to one lane until the investigation concluded and the vehicles were removed.