Interstate 44

Interstate 44 is an east-west major interstate in the central US. Starting at Wichita Falls, Texas, I-44 spans almost 634 miles to end in Saint Louis, Missouri. I-44 is one of five interstates to replace Route 66, with I-44 covering the section between Oklahoma City and St. Louis. The entire span from Springfield to St. Louis in Missouri was once US-66 which was previously upgraded during the mid 20th century.

You might find these useful