Those cores are being analyzed by Jacksonville, Fla.-based Asphalt Testing Solutions & Engineering (ATS) using the FAA P-632 specification for asphalt pavement rejuvenation. Cores will be taken ...

The affected lanes include areas from north of Nacogdoches to SH 204. The closures are needed in order to collect “pavement cores,” or samples of the roadway, according to the TxDOT release.