GREENSBORO, N.C. (WGHP) – US 29 North was shut down to one lane at Joe Brown Drive due to a crash with serious injuries, according to a Greensboro Police Department news release.

FOX8 is told a person on a bicycle was hit between McKnight Mill Road and Lakeview Memorial Park and has life-threatening injuries.

The cause of the crash is unknown.

US 29 reopened just after 3 a.m. Tuesday.