A 31-year-old man died when he was struck and killed in a crash along Kendrick Castillo Way in Highlands Ranch on Sunday afternoon, according to the Douglas County Sheriff’s Office.

The crash, which was called in at 2:54 p.m., closed southbound Kendrick Castillo Way at Mayberry Drive and northbound Kendrick Castillo Way at Bristle Pine Circle., according to the sheriff’s office.

The driver remained on-scene after the crash, according to the sheriff’s office.

Authorities request motorists to avoid roads in the area, which remained closed as of 5:15 p.m., sheriff’s office officials said.

A dog was also injured in the crash and taken to a local veterinarian, where its condition remains unknown, according to the sheriff’s office.

What led to the crash remains under investigation as of Sunday evening.