ST. LOUIS, Mo. – The Missouri Department of Transportation is closing at least two lanes of northbound I-170 past I-64. It appears that there is mud on the road near the exit for Forest Park Parkway.

It is not clear how the mud got on the highway. MoDOT estimates that the clean-up will wrap up after 9:00 am.

There is a significant traffic backup in the area. Rush-hour commuters are seeing significant delays in travel time.

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