(MT. VERNON, IL) — Illinois Department of Transportation has announced that there will be an upcoming lane reduction that will affect traffic on Illinois Route 37 from Dix to the Jefferson County line. Route 37 in that area will be reduced to one lane and controlled by flaggers for 5 days, from April 3-7. Motorists are asked to reduce speed, be alert to equipment and workers, and use extreme caution when traveling through the area. If possible, motorists are asked to seek an alternate route.