Northbound U.S. Route 301 as it approaches the intersection with Sumter County Road 673 in the unincorporated community of St. Catherine, in Sumter County, Florida. Sumter County Road 738A is also shown, but that road is a dead end street that only leads to it's non-suffixed parent route, and to Sumter CR 738B, which is another dead end street leading to a church. Sumter CR 673 leads to Interstate 75 at Exit 309.