DAUPHIN COUNTY, Pa. (WHTM) — A tractor-trailer that caught on fire closed all lanes of US 22 east in Dauphin County for multiple hours, according to 511PA.com.

The tractor-trailer was near the exit for PA 225 north for Halifax/Dauphin.

It is unclear at this time what caused the fire or if there were any injuries, but as of 6:45 p.m. traffic is slowly flowing again.