Update, 3:25 p.m.: All lanes have reopened.
Traffic has been reduced to one lane on Interstate 110 near its junction with Airline Highway after an 18-wheeler spilled its load onto the roadway.
Baton Rouge Police are on the scene directing traffic into the far left lane on southbound I-110.
The 18-wheeler buckled from the middle and spilled a red or brown substance on about 100 feet of the roadway.
Traffic has already begun to stack up.