The two-vehicle accident that snarled traffic on Kingsbury Grade on Thursday involved drivers from South Lake Tahoe and Gardnerville.

Pamela Tracy, 67, of South Lake Tahoe crossed over the center line, striking a GMC driven by Cynthia Hendrickson, 59, of Gardnerville that was traveling west, according to Nevada Highway Patrol Trooper Daniel Lopez.

Both drivers were Care Flighted to Renown Medical Center in Reno with non-life threatening injuries.

The GMC was engulfed in flames after the accident.

“Drugs or alcohol is being considered to be a contributing factor,” Lopez told Lake Tahoe News.

— Lake Tahoe News staff report