One of the city's major construction projects is renovations to the Louisville Metro Police Department's future headquarters in the former AT&T building on Chestnut Street downtown.
Police said there was a report of an active shooter, but there wasn't an active shooter at the location.
Construction on the site was halted and Fayette County Coroner Gary Ginn was called to the scene to investigate.
Progress is being made on the planned Norton Healthcare hospital in west Louisville.
All four workers had minor injuries.
Worked on the $60 million project that has been in talks since 2018.
The pause ends next week.
The crash happened directly across from the construction site for the new VA hospital.
According to the U.S. Army Corps of Engineers Louisville District, blasting will remain on hold until the contractor of the project has demonstrated to the government that appropriate safety measures are in place.
According to the U.S. Army Corps of Engineers, the contractor must demonstrate appropriate safety measures are in place before it can resume.