Top Ten Work Zones to Look Out for in 2007

3. St. Louis – Interstate 170 and Route 340 -– A new interchange will be built at Route 340 and I-170. The construction reduces I-170 from three lanes to two in both directions and includes various ramp closures over the course of the project that continues until December 2007. Carries 101,000 vehicles daily. Expect major delays through peak travel times.