Traffic backed up for 25 miles in Missouri ahead of solar eclipse

Traffic along I-55 in Missouri Monday ahead of the solar eclipse. (MoDOT)

The Missouri Department of Transportation says traffic along Interstate-55 heading out of the St. Louis area and toward the nearby path of totality for the upcoming solar eclipse is backed up for "about 25 miles."

"I-55 southbound is backed up to north of Meramec Bottom Road (mile marker 194) in St. Louis County for about 25 miles," it wrote on a post on X, sharing a traffic cam image of heavily congested roads. "All roads heading south out of St. Louis County and Jefferson County are experiencing heavy traffic, including Rte. 61/67 and Rte. 21."