RENO, Nev. — Authorities say a driver is hospitalized after a single-vehicle crash involving a rock-fall boulder on a Nevada highway next to Lake Tahoe.

The Nevada Highway Patrol reported finding the person in a vehicle on its side next to a 4-foot (1.2-meter) boulder a little before 6 a.m. Tuesday on State Route 28.

KOLO-TV in Reno reports ( ) that investigators weren’t immediately sure if the boulder hit the car, or if the car crashed into the rock a few miles north of U.S. 50.

Information from: KOLO-TV,