MoDOT crews will drive routes to train for winter operations. JEFFERSON CITY – The cooler temperatures and changing leaves are a tell-tell sign that winter is on its way. In preparation, the Missouri Department of Transportation will hold its annual winter operations drill on Thursday, Oct. 10. Motorists may notice an increased number of MoDOT trucks on state routes during the drill, which will begin at 8 a.m. in rural areas and 9 a.m. in urban areas. The exercise should be completed by 3 p.m. With turnover rates and many positions still open, driver training on this day is more critical than ever.