PRINCETON, N.J. — Governor Corzine resumed his duties yesterday, nearly a month after a high-speed crash on the Garden State Parkway almost killed him.

He can walk again, but only slowly and with special crutches, and he plans to work from the governor’s mansion at first rather than return to the Statehouse.

The governor’s State Police-driven SUV had been going 91 mph — with Mr. Corzine unbuckled in the front passenger seat — when it crashed April 12, breaking Mr. Corzine’s leg, 11 ribs, his collarbone, and his sternum. He underwent three surgeries on the leg and was on a ventilator for more than a week.

Mr. Corzine has repeatedly said he was to blame for not wearing a seat belt, as required by state law. Yesterday, he called it a bad habit he never plans to repeat.

“Buckling up is a hell of a lot easier on your body and health than what I’m going through,” the governor said. Last week, he voluntarily paid a $46 fine for the violation.

Mr. Corzine stressed he will have to balance work with recovering from his injuries. He is undergoing intensive physical therapy, and exercise equipment has been installed in the mansion’s second-floor living area. A portable chair lift was brought in to help him navigate steps.

When asked how the accident would affect his policy decisions going forward, he said he would have less patience for partisan fighting. “I don’t have much tolerance for fighting for fighting sake,” he said.