(KMOV) -- Traffic is going to get worse before it gets better on I-70 in St. Charles County.
MoDOT is a month away from starting another major project. This time it’s going to be a diamond interchange at I-70 and Mid Rivers Mall Drive in St. Peters. It will be similar to the one at I-270 and Dorsett.
Click the video above to see News 4’s Emily Rau break down the changes you need to know.