Route AB from Route T to County Road 418 in Bollinger County will be reduced to one lane today, while MoDOT crews patch the roadway. Weather permitting, the work will be from 7:30 a.m. to 4:30 p.m. The work zone will be marked with signs. Motorists are urged to use extreme caution while traveling near the area. For additional information, contact the Missouri Department of Transportation's Customer Service Center at 888-275-6636.