Hartland — Police said snow and speed were factors in a fatal accident on Interstate 91 southbound in Hartland on Thursday morning.

Rodney L. Newton, 50, of Plainfield, Vt., was pronounced dead at the scene, according to a Vermont State Police news release.

Police responded around 7 a.m. to I-91 in the area of mile marker 66 to a single vehicle that had rolled over into the median.

The preliminary investigation found snowy road conditions and speed contributed to the crash, the release said.

Anyone who witnessed the crash is urged to contact state police at 802-234-9933.