A Standish man suffered life-threatening injuries Thursday when he was hit by a pickup truck as he walked on Middle Jam Road, said the Cumberland County Sheriff’s Office.

Stephen Carpenter, 59, who lives on Middle Jam Road, was taken to Maine Medical Center in Portland after being hit by the green 2007 Ford pickup driven by Glenn Miles, 50, of Windham at 5:25 p.m. A spokesperson said late Monday that Carpenter was in critical condition.

The sheriff’s office said in a press release that Miles was driving north on Middle Jam Road when he swerved to avoid an oncoming vehicle and lost control, hitting Carpenter, who was thrown into the woods.

Miles crashed into a tree and was entrapped in his truck. He suffered non-life-threatening injuries and was taken to Maine Medical Center.

The driver of the other vehicle never stopped, the sheriff’s office said.

Middle Jam Road was shut down for about two hours after the accident.

The sheriff’s office said speed and alcohol appear to be factors in the accident. It asked anyone who may have seen the accident, or has information about it, to call Deputy John Cross at 893-2810.