A crash is causing traffic backups at South Union and East Coral roads in Union, police said.
A Nixle alert from the McHenry County Sheriff's Office sent about 5:20 p.m. Friday advised drivers to avoid the area for the "next couple hours." The road opened again around 8:30 p.m.
At 3:52 p.m., the McHenry County Sheriff’s Office and Union Fire Protection District were dispatched to the intersection for an accident with injuries, according to a sheriff’s office release.
The sheriff’s Major Crash Investigation Unit is investigating the incident.
There is no additional information available for release at this time, according to the sheriff’s office.