Route O in Perry County will be closed today while Missouri Department of Transportation crews replace a culvert pipe. Weather permitting, the work will be done from 8 a.m. to 3 p.m. The first section of road to be closed is between Route K and County Road 614. The second is between County Road 620 and County Road 616. The work zone will be marked with signs. Motorists are urged to use caution while traveling near the area. For more information, contact MoDOT's Customer Service Center at 888-275-6636.