ROCKCASTLE COUNTY, Ky. (ABC 36 NEWS NOW) — According to officials, one person has died after a crash in Rockcastle County. State police say it happened last night on Northbound I-75 near mile marker 71. According to the Mount Vernon Police Department, the crash shut down lanes for hours near exit 62. Traffic was re-routed to US25 while lanes were shut down. This is a developing story. Categories: Featured, Local News, News Tags: car crash, Deadly, I-75, Mount Vernon Police, US 25