Only slight traffic delays remain in northwest Atlanta after police determined a suspicious package found while investigating a crash was not a threat.

A state trooper was working a wreck in the northbound lanes of I-285 about 10 a.m. when they spotted the package underneath the Martin Luther King Jr. Drive overpass, Atlanta police said.

A SWAT team was called in to investigate the contents of the package, authorities said. An Atlanta police spokesman said there was no threat indicated and the status of the call was changed to “lost property.”

The wreck that caused the initial delays has now been cleared and all lanes were reopened just before noon.