Route M in Butler County will be reduced to one lane with a 10.5-foot width restriction as contractor crews replace several culverts under the roadway. This section of roadway is located between County Road 462 and Township Line Road near Poplar Bluff, Missouri. Weather permitting, work will begin Wednesday, June 23 through Monday, Nov. 1 from 6 a.m. to 6 p.m. daily. The work zones will be marked with signs. Motorists are urged to use extreme caution while traveling near these areas.For additional information, contact Resident Engineer Don Hills at (573) 840-9781, MoDOT’s Customer Service Center toll-free at 1-888-ASK-MODOT (1-888-275-6636) or visit www.modot.org/southeast.