Supplemental Specifications
| Number | Title |
| SS-23001 (new) | Asphalt Emulsions Containing Gilsonite |
| SS-23003 (new) | Portland Cement Concrete Steps |
| SS-23007 (replaces SS-23004) | Project Management |
| SS-23009 (replaces SS-23008) | Hot Mix Asphalt Interlayer |
| SS-23010 (replaces SS-23002) | Evaluation of Longitudinal Joint Quality for Flexible Paving Mixtures |