Missouri Department of Transportation to Start Working on Center Junction Project

Construction of the Diverging Diamond Interchange will start with various lane reductions on Interstate 55 and Highway 61 at Exit 99 over the coming month and March. The project will include closing down the right lane of southbound I-55  from February 11, 2020 through February 17, 2020 during the hours of 8:30.p.m. to 6.a.m. every day to make the acceleration ramp longer. In addition, the left lane of southbound I-55 will be closed off to motorists starting on February 18, 2020 to February 21, 2020. This area will be closed to all motorists for the entire four day period in order to start construction on the crossover.  Starting on February 24, 2020 the right lane of northbound I-55 will be closed off to all motorists through the work week during the hours of 8:30 p.m. to 6 a.m. in order to make the acceleration ramp longer The work zones will be marked with signs. Motorists are encouraged to be cautious when they drive close to these areas.

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