UPDATE: Westbound I-465 back open after semi fire closes lanes, causes backup on northwest side

BOONE COUNTY, Ind. – All lanes of westbound I-465 are back open after a semi fire near I-865 in Boone County.

The closure caused a significant backup on the northwest side of Indianapolis Wednesday afternoon.

The Boone County Sheriff’s Office asked drivers to avoid the area and use caution.

The cause of the fire is unknown and it’s unclear if there were any injuries at this time.