Crews will begin erecting barricades and construction warning signs along Interstate 30 through Texarkana on Wednesday, Aug. 5, as a major construction project to widen the highway begins. Actual construction and some lane closures will begin later in the month, which is currently expected to begin on Monday, Aug. 17.

“We will be completely reconstructing almost six miles of the highway and widening it from four lanes to six lanes from 0.6 mile west of Farm to Market Road 989 (Kings Highway) in...