This is an archived article that was published on sltrib.com in 2015, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Sunset, Utah • Authorities say one man is dead after an apparent suicide on Interstate 15 near Sunset.

The Utah Highway Patrol says the man, who has not yet been identified, had parked his car on the highway shoulder Monday morning and then walked into traffic.

He was struck by a semitrailer and pronounced dead at the scene.

The driver of the semitrailer survived the impact.

The collision forced the closure of the off-ramp to Roy and Sunset, and traffic was backed up for three miles.