This book contains the category code numbers for all the pay items used in the construction of State Highway Administration (SHA) projects.

Category Code Book

• Category Code Book 2025 (pdf, 1.44 Mb)

Revisions

• Revision to the Category Code Book, 12/10/2025 (pdf, 191 Kb)
• ​Revision to the Category Code Book, 11/21/2025 (pdf, 200 Kb)
• Revision to the Category Code Book, 05/22/2025 (pdf, 172 Kb)
• Revision to the Category Code Book, 04/07/2025 (pdf, 115 Kb)
• Revision to the Category Code Book, 01/15/2025 (pdf, 128 Kb)