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MoDOT using signs to help alleviate rear-end crashes

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(KTVI) - Summer travel is a its peak. So many people are heading on summer vacations or just heading and getting stuck in traffic but how many times do you come up on abruptly stopped traffic?

MoDOT's Tom Blair is the assistant district engineer in St. Louis. He talks about what MoDOT is doing to help elevate some of those rear-end accidents due to slow or stopped traffic.