Did you pack weed in your carry-on? O’Hare and Midway airports now have boxes for dumping recreational marijuana before boarding a plane.

O’Hare International Airport and Midway Airport have installed boxes for travelers to dispose of recreational marijuana before they get on the plane.

The cannabis amnesty boxes, as they’re called, are stationed just past each Transportation Security Administration checkpoint, said Maggie Huynh, a spokeswoman for the Chicago Police Department.

The police aren’t targeting travelers with cannabis, and it’s not illegal to have it at the airport, Huynh said. But possessing marijuana is still illegal under federal law, and airspace is regulated by the federal government.

The boxes give people an opportunity to ensure they’re not breaking federal law and won’t run into an issue when they land at their destination, Huynh said.

“We’re not encouraging people to bring cannabis through the airports at all,” Huynh said. “But if for some reason you have it on you, we have those amnesty boxes out there so that you can dispose of it prior to getting on the airplane.”

TSA doesn’t search for weed at security checkpoints, according to its website. But its agents are obligated to report any violations of federal law to local police, TSA spokeswoman Sari Koshetz said. TSA agents will not weigh the amount in travelers’ possession before turning them over to police, Koshetz said. [Read more at Chicago Tribune]